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Betting strategy D’Alembert

A renowned French mathematician and physicist, Jean de Rond D’Alembert, proposed a law of equilibrium: a series of events, when taken in the long run, can have an equal probability of success and losses. According to this betting system, there is a greater chance of winning after a loss and similarly a higher chance of losing after a win. This is a negative progression theory because when using this system you lower your bets after a win and increase them after a loss. The D’Alembert theory is widely used by casino players especially for Roulette, Blackjack, Baccarat and games where there are only two outcomes, a win or a loss. However, you can use the betting system for sports betting too.

Also known as the Pyramid Theory, this betting system is quite simple to follow, as you only need to reduce a unit from your bet when you win and increase a unit when you lose. The amount that you raise or lower, however, depends on the kind of game or event that you are betting on. Let us consider an example to see how this system works.

You place a bet of $1 and win. Your next bet will be of $1 but if you lose, you will have to place a bet of $2. Let us take this in a sequence.

  • You bet $1. You win and your next bet is $1. If you lose, the next bet will be of $2
  • You bet $2. You win and your next bet is $1. If you lose, the next bet will be of $3
  • You bet $3. You win and your next bet is $2. If you lose, the next bet will be of $4
  • You bet $4. You win and your next bet is $3. If you lose, the next bet will be of $5
  • You bet $5. You win and your next bet is $4. If you lose, the next bet will be of $6

This sequence goes on in a similar manner, deducting a unit when you win and adding a unit when you lose. However, you cannot continue betting eternally in this pattern. You must set a certain goal; say you choose to play 10 bets using the D’Alembert betting system and start all over again as soon as you reach the limit that you had set. Planning your bets in this manner will help you make better profits and you will find it more rewarding than flat betting. Let us see how this system is better as compared to flat betting by observing the following example of a betting sequence.

  • In your first bet you bet $1 and you lose. The loss is of $1
  • In the second bet you bet $2 and win. You gain $1.
  • In the third bet you bet $1 and you lose. Your profit becomes zero.
  • In the fourth bet you bet $2 and you lose. Your bankroll is minus $2.
  • In the fifth bet you bet $3 and you win. You gain $1.
  • In the sixth bet you bet $2 and you win. You gain $3.

The sequence continues in this manner, as there is no limit to where you may stop betting. Therefore it is necessary for you to set the limits yourself in order to control your losses. If you notice the above sequence, you will find equilibrium between the wins and losses. There are three wins and three losses thereby forming a balance between the two. The net profit from the sequence is 3 units, which balances out the three losses. However, you cannot predict for surely whether your next bet will win or lose. If the losses exceed the wins, you will lose, but the losses suffered are not as large as what you would generally lose in flat betting.

When using the D’Alembert betting system, you also need to decide how much of your bankroll you are going to set aside for this kind of betting. As the system is designed to ascertain a win following a losing streak, a large bankroll may be required to reach that winning point. If you have insufficient funds, you are more likely to go into a losing streak and in the process lose all the money. Therefore money management and a correct amount of bankroll are needed to be predetermined before you start betting with the D’Alembert betting system.

As this betting system does not let you take advantage of winning streaks, another betting system was born called the Anti (or Reverse or Contra) -D’Alembert betting system. As opposed to the D’Alembert, this is a positive progression theory where the player increases a unit on his next bet if he wins but if he losses, he decreases his next bet by a unit. So the anti-D’Alembert is the absolute opposite of the former betting system. In this, the possibility of losses is small, but at the same time the chances of making big profits is also low. The greatest drawback to this reverse theory is that even a single loss after a winning streak can wipe out most of your winnings. It is therefore important to set a limit to your bankroll if you do not want to see it disappear in a hurry.

Both these betting systems are very easy to use but if you are looking to making huge profits from it, you can think again, as the gains are very small but reasonable enough. However, the betting strategy will not ruin your bankroll if you play according to the rules and you can continue playing for a long time without encountering a risk. As compared to the other betting systems like the Martingale etc, the D’Alembert is quite safe to use and can be used by beginners as well, provided they set a stop limit to their bets. Also like any other betting system, you need to have sound judgment, good money management and to bear in mind, never to chase your losses.

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