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Master the Roulette Table with the D'Alembert and Reverse D'Alembert Strategies

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This article discusses two betting systems for roulette games - the D'Alembert Strategy and the Reverse D'Alembert Strategy. It explains the basic principles of each strategy, including how to adjust your wagers based on the outcome of each spin. The article also provides insights on the advantages and disadvantages of each system and includes practical tips on how to use them effectively.


What is D'Alembert betting strategy for roulette games?

The D'Alembert betting strategy is based on the theory that there should be some equilibrium with even money bets. The idea is that you should always win roughly the same number of even money bets as you lose. In order to use the D'Alembert system, bets must be put on even-money bets (Red/Black, Odd/Even, 1-18/19-36).

  1. Choose your base unit. Make a decision regarding your base betting unit before you begin. Whatever you choose can go here, but we'd suggest keeping it to no more than 5% of your overall bankroll. The ideal percentage is 2%.

  2. Begin with one unit. The first bet of any cycle in the D'Alembert system must be exactly one base betting unit.

  3. ncrease stakes after a loss. After every losing wager, the stake for the following wager must increase by one base staking unit. If your initial stake was €/$5, for instance, and you lost, you would raise it to € /$10. In that case, if you lost once more, you would up the bet to € /$15.

  4. Lower bets following a victory. The stake for the wager that comes next should drop by one base betting unit for each winning wager. If a wager is successful with a stake of just one unit, the stake is carried over to the next wager.

Here's a sample of how you could use the D'Alembert strategy while playing roulette:

Session flow Bet unit Round result Total profit
Start the betting session 1 unit Win 1
Repeat the same unit bet 1 unit Win 2
Repeat the same unit bet 1 unit Loss 1
Increase a bet by 1 unit 2 units Loss - 1
Increase a bet by 1 unit 3 units Loss - 4
Increase a bet by 1 unit 4 units Win 0
Decrease a bet by 1 unit 3 units Win 3
Decrease a bet by 1 unit 2 units Loss 1
Increase a bet by 1 unit 3 units Win 4

As you can see, using this strategy enables you to keep your bankroll under control and within the boundaries of a positive gaming profit, because you may cover your losses by raising your stake following setbacks and reduce the likelihood that a loss will occur after a winning spin.

Pros and cons of D'Alembert strategy:

  • Pros:

    • Low risk: because the bet amount is progressively changed after each victory or loss, the D'Alembert approach is regarded as a low-risk betting system. This reduces the possibility of losses.

    • Easy to use: The D'Alembert technique is well-liked among roulette players since it is simple to comprehend and apply.

    • Can potentially increase winnings: The D'Alembert approach tries to capitalize on winning and losing streaks and potentially boost gains over time by gradually altering the wager amount after each win or loss.

  • Cons:

    • No guarantee of success: no betting strategy can ensure success in the game of roulette because each spin's result is determined by chance. There is no exemption with the D'Alembert tactic.

    • Can lead to long losing streaks: despite the D'Alembert strategy's intention to gradually balance out winning and losing streaks, it is nevertheless possible to go through prolonged losing streaks that can lead to large losses.

    • Limited potential for large winnings: compared to other, more aggressive betting methods, the D'Alembert technique can restrict the potential for enormous gains because it progressively adjusts the bet amount after each win or loss.

Remember that there is no one-size-fits-all D'Alembert strategy and that it is a matter of personal preference, just like all other betting strategies in the game of roulette. Gambling safely and within your means is always a smart idea. You should also be aware that roulette betting techniques cannot ensure success.

What is Reverse D'Alembert betting strategy for roulette games?

There is also the Reverse D'Alembert strategy existing. With the reverse D’Alembert strategy you should increase your bets by one betting unit after a win and decrease them by one betting unit after a loss. The reverse D’Alembert strategy is only profitable when you’re on a winning run, but it allows to minimize your loses, while you got the losing steak:

Here is an example of using The Reverse D'Alembert strategy in a game of roulette:

Session flow Bet unit Round result Total profit
Start the betting session 1 unit Win 1
Increase a bet by 1 unit 2 units Win 3
Increase a bet by 1 unit 3 units Loss 0
Decrease a bet by 1 unit 2 units Loss - 2
Decrease a bet by 1 unit 1 unit Loss - 3
Repeat the bet with the base betting unit 1 unit Win - 2
Increase a bet by 1 unit 2 units Win 0
Increase a bet by 1 unit 3 units Loss - 3
Decrease a bet by 1 unit 2 units Win - 1

Pros and cons of The Reverse D'Alembert strategy

  • Pros:

    • Low-risk approach: Reverse D'Alembert technique is a low-risk way to play roulette since it progressively changes the wager size in accordance with prior outcomes.

    • Potentially increases winnings: The Reverse D'Alembert technique tries to maximize winnings by increasing the stake size when on a winning run.

    • Reduces losses: The Reverse D'Alembert technique attempts to reduce losses by lowering the bet amount when on a losing run.

  • Cons:

    • No guarantee of success: no betting strategy can ensure success in the game of roulette because each spin's result is determined by chance.

    • Limited winnings potential: a slow increase of the bet amount is used in the Reverse D'Alembert approach, which limits the possibility of enormous profits.

    • No effect on outcomes: because the outcomes of each spin are chosen by chance, the Reverse D'Alembert approach has no effect on how the game will turn out.


In conclusion, the D'Alembert and Reverse D'Alembert techniques provide two alternate ways to play the roulette game. Both approaches attempt to eventually even out winning and losing streaks, but they also have advantages and disadvantages. As with other strategies, it's important to note that none of these strategies guarantee a win and the house always has an edge over player.

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Author: CrazyBillion
Last updated: 03 Oct 2023
Date published: 03 Oct 2023