D’Alembert financial strategy


D’Alembert financial strategy was originally designed for casinos, but was later implemented as a strategy for betting on sporting events.


With some similarities to the Martingale strategy, d’Alembert strategy has its own peculiarities.

Based on the size of the bank, a punter defines the value of one unit, for example it is £10. If the bet loses, he should increase the amount of bet by one unit, and if it wins – reduce the amount of bet by one unit.

Here’s an example:

  1. A £10 bet with 2.0 odds – loss;
  2. A £20 bet with 2.0 odds – loss;
  3. A £30 bet with 2.0 odds – loss, the bank returns to its original value;
  4. A £20 bet with 2.0 odds – win.

Thus, after the cycle closes, a new cycle should not be started from one unit, that is £10, as in a standard Martingale, but with the amount a unit smaller than the previous won bet.

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