D’Alembert betting techniques

Saturday, 17 December 2011

Among the most famous betting techniques, we find also the one based on the d’Alembert criterion. And this one was firstly applied in roulette, and was afterwards applied by bettors.

Jean le Rond d’Alembert was a French mathematician, physician and philosopher with remarkable results in Mathematics, especially in solving differential equations and partial derivatives.  If we are to synthetize the principle applied in betting, this would look pretty simple: there is a high chance to win after a loss and similarly it is a high chance to lose after a win. However, everything is based on a series of events that, when taken into account on the long turn, may have an equal probability of success or loss.

The betting system is pretty easy to follow: you raise the stake with one unit when the bet is lost and you decrease the stake with one unit when the bet is won. A simulation on steps looks like this:

a) You bet 10 Euro. If you win, the stake of the following bet is still going to be 10 Euro. If you lose, you increase the stake with one unit, so you will bet 20 Euro.

b) You bet 20 Euro. If you win, the stake of the following bet is going to be 10 Euro. If you lose, you increase the stake with one unit, so you will bet 30 Euro.

c) You bet 30 Euro. If you win, the stake of the following bet is going to be 20 Euro. If you lose, you increase the stake with one unit, so you will bet 40 Euro.

c) You bet 40 Euro. If you win, the stake of the following bet is going to be 30 Euro. If you lose, you increase the stake with one unit, so you will bet 50 Euro.

Of course, instead of a 10 Euro unit you may bet 1, 5, 20, 100 or any other amount you consider fair.

In sport betting, the d’Alembert applies as follows: if you won, you decrease the stake with one; and if you lost a bet, you increase the stake with one unit. It is highly important you have established a certain goal and that you chose a fix number of events on which to apply this betting strategy, following to start all over again from the beginning after reaching the goal.

Let’s try another example, with the following sequence:

1. Arsenal- Liverpool- prognostic 1- quote 2- stake 100 euro- losing bet

2. Real Madrid- Barcelona- prognostic 1- quote 2- stake 100 euro- losing bet

So far, we have a loss of 300 Euro, after 2 wrong bets.

3. Inter-Juventus- prognostic 1- quote 2- stake 300 euro- winning bet

This is how one correct event changes the entire scale. Hence, if up until now we had a loss of 300 euro, we have now recovered all the money and we have a balance of 0.

4. Barcelona- Villareal- prognostic 1- quote 2- stake 200 euro- losing bet

5. Inter- AS Roma- prognostic 1- quote 2- stake 300 euro- winning bet

After 5 bets placed, out of which 3 are losing bets, we have a balance of 100 euro, even if our percentage of success was of only 40%.

When you use the d’Alembert technique you have to decide how much cash are you are going to use. Consequently, as in the case of every cash management techniques, it is necessary to place this limit in the sport betting industry. With this betting technique, your bank will not suffer any violent losses, as in the Martingale technique.

D’Alembert is pretty safe to use and it is recommended for beginners, the only condition imposed being the establishment of the betting limit. As in any strategy, you have to be well informed about the event that you wish to bet on, you have to have a good cash management and, last but not least, you must not force the recovery of the money lost in a very short time interval.

Author: Editor

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