D’Alembert Betting System: Its Use and Impact Today

The D’Alembert Roulette system is named after Jean-Baptiste le Rond d’Alembert, a famous French mathematician. This is quite similar to the well-known Martingale strategy, although the progression that it uses is a lot flatter, contributing to its lower overall risk.

The D’Alembert betting system is a linear betting system that involves a fixed additive constant and can be defined by the following rules:

  1. The first bet is one unit (1 chip).
  2. The bet is increased by one unit upon losing.
  3. On winning the bet is decreased by one unit.
  4. On achieving a net profit, the progression is reset and starts with one unit.


Putting the D’Alembert system to use

The D’Alembert system is a very easy method to play even for new gamers, without the need for complicated calculations. In order to play using the system, you will be required to first decide on a comfortable betting amount that you will like to make during play. The players will be making even money bets while using this betting system. In the pure form of this system, for Roulette bet there is no maximum bet or number of units you would be willing to wager.

This betting system for online Live Roulette is mainly used when playing on the very outside bets such as red/black, even/odd and 1-18/19-36. The logic behind this is that those bets will eventually even out and a long streak of red will surely be followed by a long streak of black.

An aggressive system play

The D’Alembert System can be used in a more expansive manner. In case a player increases the bet change to 2 units instead of 1, his/her net result (net gain) will be doubled. It is important to note that in reality, when playing Roulette for a longer period of time, a player is likely to score a lesser number of wins than losses, placing even-money outside bets.

Advantages of the System

The overall risk is lesser when using this system than while using the Martingale system. Others benefits are noted below.

It offers a structured way of Betting

Any player by employing this method of betting will be able to benefit from its structured way of managing money while playing a Roulette game.

Progressions are not steep

These Roulette Strategy progressions are not in fact as steep. If you lose while playing your game of choice, you will only be required to increase your wager by 1 Unit. Yet, if you win, you will have to decrease it by one unit.

Possibility to recoup losses

The D’Alembert betting system allows players more chance to regain their losses, unlike the Martingale System, where it will not be able to make back losses so easily.

The opportunity to generate some short term profit

The Players with a large bankroll can spend more time gambling with this system and would most probably be able to generate some profit over time. However, they will have to be willing to sacrifice at least some of their bankroll in order to make a profit eventually.

The Reverse d’Alembert system

The variation of the D’ Alembert system, also known as “contra-Alembert” is a Roulette strategy that was invented by those players, who failed to achieve consistent gains using the regular system. The system postulates that players need to increase their bet by 1 unit after every win and, respectively, decrease the bet by 1 unit after every loss.

The reverse D’ Alembert system encounters the problem of how to determine when a winning streak has to be abandoned. A possible way to deal with this is to revert to the original bet after a specified number of successive wins are registered.


Name: D’Alembert Betting System: Its Use and Impact Today
Author: Stephanie Regan
Published Date: 04/06/2019
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