The D'Alembert system explained: A guide on how to use it

If you want a strategy beyond relying on luck, the D'Alembert system is among the popular betting systems designed to maximise online roulette's even-money bets. Can the D'Alembert betting strategy help you outsmart the croupier? Let's explore this intriguing strategy and see if it can enhance your live casino experience.

With this guide by Bitcasino, gain proper knowledge about this betting strategy, learn its core mechanics, benefits and a step-by-step on how to use it below.

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What is the D'alembert system?

The D'Alembert system is a well-established strategy used in roulette, mainly in online casinos. It offers a structured approach to even-money bets (Red/Black, Odd/Even, High/Low) by managing your wager size based on win/loss outcomes. 

The D'Alembert system stands out among roulette strategies as it follows a negative progression betting approach. In a negative progression system like D'Alembert, you adjust your bets after each round based on the outcome of the previous bet. Here's how it works:

• If you lose a bet, you increase your next bet.
• If you win a bet, you decrease your next bet.

With all this information, it shows that the D'Alembert roulette system offers a structured approach to help you manage your bankroll. While it seems enticing to use, keep in mind that it is a tool, not a guaranteed path to winning.

Who created the D'Alembert roulette strategy?

The exact origins of the D'Alembert casino system remain a mystery. However, Jean-Baptiste le Rond d'Alembert, a renowned French mathematician and philosopher in the 18th century, gets credit. While you can’t find documented evidence directly linking him to the roulette strategy, his contributions to probability theory likely influenced its development.

The exact date of the system's invention remains unclear, but it likely emerged around the late 18th century alongside the Martingale system (another negative progression system).  They are both strategies that can help ‘beat’ even-money bets in roulette and other games.

Principles and mechanics behind the D'Alembert Strategy

The D'Alembert principle is focusing on even-money bets with near 50/50 odds. The D'Alembert system only works with even-money bets in roulette, which are bets with payouts close to 1:1. Here are some examples:

• Red/Black: Betting on either red or black pockets.
• Odd/Even: Betting on either odd or even numbered pockets.
• High (1-18)/Low (19-36): Betting on the ball landing in the first or second half of the numbered pockets.

The reason for this focus is simple: with bets close to a 50/50 chance of winning, the strategy aims to capitalise on the (mistaken) belief that after a series of losses on a particular colour (e.g., red), black is more likely to come up on the next spin (which statistically isn't true). By increasing the bet amount after losses, the system aims to recover those losses quickly when a win (any colour) finally occurs.

Unit betting system

The unit betting system is a crucial element within the D'Alembert strategy. It works by choosing a base amount (your unit) for your initial wager. 

For example, you can choose 1 USDT, 5 USDT, or 10 USDT as your unit bet. Throughout the game, you place bets equal to your chosen unit amount regardless of wins or losses.

How to use D'alembert strategy: A step-by-step breakdown

The D'Alembert strategy might not guarantee wins, but it offers a structured approach for even-money bets in roulette. Here's a step-by-step breakdown with an example:

1. Choose a unit bet:

Determine the amount you're comfortable spending on roulette. Decide a base amount for your initial wager (e.g., 1 USDT, 5 USDT). It should be a comfortable amount within your bankroll limit.

2. Place your first even-money bet:

Select a bet with a near 50/50 payout, like red/black, odd/even, or high/low. Let's say you choose the red/black betting option. Place your black (or red) wager with your 1 USDT unit bet.

3. Track the outcome:

This step involves keeping track of your wins and losses to adjust your bets accordingly.

Win: If your red bet wins, proceed to Step 4a.

Loss: If you lose the red bet, move to Step 4b (where the negative progression comes into play).

4. Adjust your bet based on the outcome:

This step is the heart of the D'Alembert strategy. Here's how you adjust your bet size based on the previous outcome:

• 4a. After winning the bet, you decrease your wager to the starting unit amount. In this case, your next bet would be 1 USDT again (regardless of your chosen colour bet).
• 4b. When you lose your bet, you must increase your wager by your unit amount. Your next bet would be 2 USDT (initial 1 USDT bet + 1 USDT unit increase).

5. Play continuously

Repeat the steps throughout your gameplay until you reach your bankroll limit.

D'Alembert system simulation

Understand the D’alembert betting strategy better by checking this example. Here, we are going to use the odd/even betting option.

Let’s say your bankroll is 25 USDT, and your chosen unit bet is 5 USDT.

Following the steps above, you must place your 5 USDT bet on the even option. However, you lose your bet, so you must increase your bet by 5 USDT (your unit amount). Previous bet + 5 USDT (unit) = 10 USDT. So, your next bet should be 10 USDT.

Then, you place a 10 USDT bet on an odd. The ball lands on number 1, so you win your bet. Since you won, you decreased your bet to the unit amount of 5 USDT.

You place a 5 USDT bet again on odd. This time, you lose, so you increase your bet by 5 USDT, totalling 10 USDT. 

However, by adding all the bets you place, you already reach your bankroll limit (25 USDT). Now, you must stop placing your bets here.

While the bet sizes were small originally, consecutive losses can quickly deplete your bankroll with the D'Alembert system.

Pros and cons of the D'Alembert betting strategy

The D'Alembert strategy offers a structured approach to roulette betting. However, you must understand its pros and cons when you use it in your roulette gameplay.

Here are the advantages and limitations of using the D'Alembert betting system:

Pros of using the D'Alembert system:

Simple to understand 

Compared to complex roulette strategies, the D'Alembert system is relatively easy to understand and implement. Once you’re familiar with the step-by-step process of using this strategy, you’ll know how to use it when playing roulette. The steps are straightforward, making it accessible to all types of players.

Focus on bankroll management

By increasing bets cautiously after losses, it aims to minimise losses and recover them on subsequent wins. The strategy encourages a more controlled approach to your bankroll.

Small increase in bets

Unlike other systems that double bets after losses (Martingale), D'Alembert uses smaller, incremental increases. It reduces the risk of quickly depleting your bankroll.

Potential for small wins

The strategy aims to capitalise on winning streaks by keeping bets small after wins. It can lead to smaller wins, potentially extending your playtime.

Structured betting approach

Unlike relying on intuition or luck, the D'Alembert strategy provides a structured approach to betting. By adjusting bet sizes based on wins and losses, you’re more in control of your betting decisions, fostering a sense of discipline.

Cons of using the D'Alembert system:

Doesn't overcome the house edge

Remember that online casinos maintain a statistical advantage (typically around 5%). Even with the D'Alembert system, you're still more likely to lose money in the long run.

Flawed underlying principle

The strategy relies on the gambler's fallacy, the mistaken belief that past outcomes influence future wins. Roulette spins are independent events, and each spin has a near 50/50 chance of landing on even-money bets.

Limited wins, potential losses

The system relies on winning after losses to recoup those losses. It can be a slow process, and losing streaks can still deplete your bankroll significantly, even with smaller bet increases.

Not guaranteed wins

You can’t find a guaranteed way to win in roulette. The D'Alembert strategy only offers a structured approach to managing bets, but not a path to riches.

Variations on a theme: Exploring the Reverse D'Alembert

Don’t get confused with the Reverse D’alembert system. This reverse system is a twist on the original D'Alembert strategy in roulette. However, the original D'Alembert and Reverse D'Alembert strategies offer structured approaches to even-money bets in roulette. 

Here’s a table of the differences and similarities between both systems:

The choice between the original D'Alembert and Reverse D'Alembert strategy depends on your risk tolerance. The original focus is on minimising losses, while the reverse aims to maximising wins. 

However, both strategies rely on the gambler's fallacy, assuming past outcomes influence future wins. This is not the case with roulette, where each spin is independent. Moreover, both have limitations and cannot overcome the house edge.

D'Alembert vs. other betting systems

As mentioned earlier, the D’Alembert strategy is among the most popular betting systems in roulette apart from the Martingale and Paroli systems. 

To understand how these popular betting systems are different from one another, check the table below:

Based on the table above, D'Alembert offers a more balanced approach compared to Martingale and Paroli. It focuses on managing losses with smaller bet increases after losses, and decreases after wins.

The Martingale and Paroli are positive progression systems that capitalise on winning streaks by increasing bets after wins. However, they carry a higher risk as losses require doubling or resetting bets, potentially leading to significant losses quickly.

Tips and best practices when using the D'Alembert strategy

Despite the pros of using the D'Alembert system, you should still manage your expectations and prioritise responsible gambling. Here are some tips and best practices to keep in mind:

1. Know when to walk away

Setting a bankroll limit is crucial for responsible gambling. Determine the total amount you're comfortable spending on roulette. Stick to this limit throughout your gameplay and stop playing once you reach it.

2. Set realistic win goals

Consider setting a win goal as well. If you reach a certain amount of profit, stop playing to secure your winnings.

3. Track wins and losses

Keep track of your outcomes to adjust your bets accordingly. You can use apps or a simple notepad to help you.

4. Don’t chase losses

The D'Alembert strategy aims to recoup losses through small wins. So, don't increase bets excessively to chase losses quickly, as this can deplete your bankroll.

5. Focus on Even-money bets

Stick to roulette betting options with near 50/50 payout chances, like red/black, odd/even, or high/low. These bets minimise the chance of losing a large chunk on a single spin.

6. Practice discipline and stick to the strategy

Implementing the D'Alembert strategy requires discipline and patience. Avoid the temptation to deviate from the strategy during winning or losing streaks. Stick to the incremental adjustments in bet sizes and trust in the strategy's long-term potential.

Games to play when using the online casino D'Alembert strategy

The D'Alembert strategy applies to any online casino roulette game that offers even-money bets. Here are some of the games you can play at Bitcasino:

1. Bombay Club Roulette by Bombay Live

• Provider: Bombay Live
• RTP: 97.3%
• Minimum Bet: 0.5 USDT
• Maximum Bet: 50,000 USDT
• Jackpot: Depends on your bet
• Features: Inside bets, outside bets, hot n’ cold numbers, racetrack, winning numbers display, statistics.

2. Bitcasino Roulette by OneTouch

• Provider: OneTouch
• RTP: 97.3%
• Minimum Bet: 0.25 USDT
• Maximum Bet: 5,000 USDT
• Jackpot: Depends on your bet
• Features: Inside bets, outside bets, neighbour bets, racetrack, winning numbers display, statistics.

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3. Speed Roulette by Ezugi

• Provider: Ezugi
• RTP: 97.3%
• Minimum Bet: 0.20 USDT
• Maximum Bet: 5,000 USDT
• Jackpot: Depends on your bet
• Features: Inside bets, outside bets, neighbour bets, racetrack, winning numbers display, statistics, chat room.

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4. PowerUp Roulette by Pragmatic Play

• Provider: Pragmatic Play
• RTP: 96.02%
• Minimum Bet: 0.1 USDT
• Maximum Bet: 20,000 USDT
• Jackpot: Depends on your bet
• Features: Inside bets, outside bets, neighbour bets, racetrack, winning numbers display, powerup, hot and cold numbers, switch view, chat room, statistics.

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Try out the D'Alembert strategy with Bitcasino’s roulette games!

The D'Alembert strategy offers a way to manage your bets in roulette, potentially extending your playtime. It focuses on managing losses with smaller bet increases and decreasing bets after wins. While it can't guarantee a victory and relies on a flawed principle (gambler's fallacy), it's a more cautious approach compared to other strategies.

However, the D'Alembert strategy is not a guaranteed pathway to winning. Use the D'Alembert strategy for fun and controlled gameplay, but prioritise responsible gambling practices. Remember, no strategy can overcome the inherent randomness of roulette. So, focus on enjoying the thrill of the game and set clear limits to have a fun experience.

Frequently Asked Questions (FAQs)

How to use the D'Alembert system?

Here’s how to use the D'Alembert system:

1. Choose a unit bet: Decide on a fixed amount of money to use as your base bet. This should be a small portion of your total bankroll.
2. Place even-money bets: Only place bets that offer close to a 50/50 payout chance, such as red/black, odd/even, or high/low.
3. Adjust bets based on outcome:

• Loss: After a loss, increase your next bet by your unit amount.
• Win: After a win, decrease your next bet back to the unit amount.

Is D’Alembert roulette similar to the D'Alembert system in baccarat?

The D'Alembert roulette and the D'Alembert baccarat strategies are negative progression systems, meaning you increase your bet after a loss and decrease it after a win.

Both work on even-money bets, which in roulette include red/black, odd/even, and high/low. In baccarat, it's the player or banker bet (avoid the tie bet).

Is there a D’Alembert formula on roulette?

There's no actual formula needed for the D'Alembert system. It simply relies on remembering these two key points:

• Increase your bet by your unit amount after a loss.
• Decrease your bet back to the unit amount after a win.

Is there a D’Alembert blackjack strategy?

The D'Alembert strategy isn't ideal for a blackjack strategy. Blackjack success hinges on understanding card values and making optimal decisions based on your hand and the dealer's up card.

Why does the D'Alembert system cannot win?

The D'Alembert system, like most betting systems in casino games, cannot guarantee wins. It’s only a betting system, guiding your betting process.

Words by: Barbara Menorias