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Contra D'Alembert System

Contra D'Alembert — financial strategy for use in bookmaking offices, based on D'Alembert strategy , but unlike D'Alembert strategy , you increase your bet if you have won and decrease it if you have lost.

In case of gambling in bookmaking offices using Contra D'Alembert system, you get more options as how to set this system under your 'vision' of your long-term gambling. Let us consider possible  settings:

1. Determine the sum of initial bet.

2. Determine the increment step for next bet following the win one. (This step can be varied from 1.1 to 2).

3. Determine the decrement step for next bet following the lost one. (This step can be varied from 0.1 to 0.9, or even return back to the original bet)

Remark: A bet cannot be less than the initial one.

Sample. I (bo) = 2 / Min.bet = 10 / Increment step = 2 / decrement step = 0.5:

Bet

Result

Balance


10

-

-10


10

+10

0


10х2=20

+20

+20


20х2=40

+40

+60


40х2=80

-40

+20


80х0,5=40

-40

-20


40х0,5=20

+20

0


Sample. I (bo) = 2 / Min.bet. = 10 / Increment step = 1.5 / Decrement step = 0.5:

Bet

Result

Balance


10

-

-10


10

+10

0


10х1,5=15

+15

+15


15х1,5=22,5

+22,5

+37,5


22,5х1,5=33,75

-33,75

+3,75


33,75х0,5=16,8

-16,8

-13,05


16,8х0,5=8,4=10

+10

-3,05


Sample. I (bo) = 2 / Min.bet = 10 / Increment step = 1.5 / Instead of decrementing – a return to the original bet:

Bet

Result

Balance


10

-

-10


10

+10

0


10х1,5=15

+15

+15


15х1,5=22,5

+22,5

+37,5


22,5х1,5=33,75

-33,75

+3,75


10

-10

-6,25


10

+10

+3,75


As you can see in the samples: the final balance, as well as bet sums scatter, depends much on the bet sum increment and decrement steps.

Contra D'Alembert Strategy to gamble in bookmaking offices is first of all for “serial gamblers”, i.e. those who have good luck time changed by bad luck.






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