What is the D’alembert Strategy?

Are you also looking at how you can have better online gambling opportunities or a new casino strategy that can give you even larger winnings in online casinos? Well, you are certainly at the right place, then.

Today, we will take you through one such strategy that will make your online casino experience more enjoyable. In the sections below, we will provide you with every bit of info on what is D’alembert strategy and how it works, so keep on reading!

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What is D'alembert Strategy?

The D'Alembert strategy, or D'Alembert system, is a widely used betting method in casino games such as roulette, baccarat, and blackjack.

This approach involves adjusting your bet size according to whether you win or lose, making it a type of negative progression system. This approach was originally conceived by Jean Baptiste Le Rond D’Alembert.

The D'Alembert strategy shares similarities with the Martingale, Labouchere, and Fibonacci systems in that it involves increasing bets to chase losses.

However, unlike the more aggressive nature of those systems, the D'Alembert method results in a less volatile experience and allows for extended playtime at the table. This approach, though, means a lower likelihood of ultimately reaching the desired winning goal.

How Does the D'alembert Strategy Work?

To put it in easy words, the D'Alembert system requires you to raise your bet by one unit after every loss and reduce it by the same amount after each win. Jean Baptiste Le Rond D'Alembert compared this method to the motion of waves.

This strategy is particularly good for bettors with a smaller bankroll or a cautious betting style.

  • Start with an initial bet of INR 1000 on an even money wager.
  • Maintain the bet at INR 1000 for subsequent rounds if you win.
  • Increase the bet by INR 1000 after each loss.
  • Decrease the bet by INR 1000 after each win.
  • Continue this pattern until you decide to end the betting cycle.


Let's say you decide your base unit is INR 10. You'll only bet on red/black.

  • Round 1: You bet INR 10 on red and lose.
  • Round 2 (After a Loss): As per the strategy, you increase your bet by one unit. So, you wager INR 20 on red (10 + 10). This time, you win!
  • Round 3 (After a Win): Since you won the previous round, you decrease your bet by one unit. You place an INR 10 bet on red again. Let's say you win again.


  • You've played 3 rounds.
  • You lost the first round (INR 10).
  • You won the second and third rounds (INR 20 + INR 10 = INR 30).
  • Overall, you've gained INR 20 (INR 30 winnings – INR 10 loss).

Using the D'alembert Strategy

The D'Alembert strategy can be used in online casinos, notably in games boasting even-money bets such as roulette (red/black, even/odd), baccarat (player/banker), and select blackjack versions (hit/stand on specific totals).


Here are some pros for using this strategy:

  • Simpler and Less Risky: Compared to other progressive betting systems, D'Alembert's smaller bet increases minimize the risk of quickly depleting your bankroll.
  • Effective Bankroll Management:  By adjusting bets based on wins and losses, you can potentially extend your playtime and make your bankroll last longer.
  • Suited for New Players: The D'Alembert strategy's approach makes it easier for beginners to grasp compared to more complex betting systems.
  • Wide Applicability: This strategy can be used in many online casino games offering even-money bets, such as roulette, baccarat, and some blackjack variations.
  • Potentially Reduces Emotional Play:  The focus on small, consistent wins can help you stay calmer and avoid impulsive betting decisions fueled by emotions.


With pros, there come a few cons as well. Keep these in mind during your occasion experience:

  • Doesn't Overcome House Edge: The D'Alembert strategy doesn't negate the casino's inherent advantage. You can still lose money in the long run, even with some wins.
  • Limited Profits: The strategy prioritises small wins, which can make accumulating significant profits a slow process.
  • Not for All Games: This strategy is most effective with even-money bets. It might not be suitable for games with varying odds structures.
  • Doesn't Guarantee Wins: Streaks of losses can still occur, and the system doesn't guarantee recovering all your losses.
  • Discipline Required: Sticking to the strategy during losing streaks requires discipline to avoid increasing bets beyond your initial plan.
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Tips for using D'alembert Strategy

Although the strategy might appear to be very easy at first, you still need to keep in mind that it is just a strategy and cannot guarantee wins at any time.

Below, we have listed some tips for D'alembert Strategy before you begin:

  • Don't Chase Losses: The D'Alembert strategy aims for small, consistent wins. Avoid significantly increasing bets to recover losses quickly, as this can lead to larger losses.
  • Start Small: Begin with a base unit amount you're comfortable with and adjust it based on your bankroll and risk tolerance.
  • Track Your Progress: Keep a record of your wins and losses to monitor your progress and identify if the strategy aligns with your goals.
  • Set Limits: Before you start, define clear win and loss limits for your session. Stick to these limits to avoid chasing losses or exceeding your budget.

The Reverse D’Alembert

Like many other betting methods, the D'Alembert strategy has a counterpart known as the ‘reverse' D'Alembert. As the name suggests, this variation operates oppositely to the traditional approach and falls under the category of positive progression strategies.

In this version, you increase your bet by one unit following each win and decrease it by the same amount after a loss. Consequently, it's a more cautious adaptation of the D'Alembert system, prioritizing the reduction of losses and taking advantage of winning streaks. Rather than urging you to chase losses, it allows you to elevate your stakes using your accumulated profits.

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