### Author Topic: D'alembert and Reverse d'Alembert progressions explained  (Read 4390 times)

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#### kav

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##### D'alembert and Reverse d'Alembert progressions explained
« on: April 12, 2016, 10:21:41 PM »
This is a classic roulette progression and maybe you are familiar with it. It was created by a famous mathematician who defended the gambler's fallacy. We offer an in-depth description, including different scenarios and variations that is still worth reading, even if you know the rules already.

D'Alembert and reverse d'Alembert roulette betting systems

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #1 on: April 12, 2016, 10:37:00 PM »
One issue I have noticed so far is that in your examples of spins & wins to gain profit appear to based on an EC bet when the D'Alembert can also be used with great success even on single straight up bets which will pay much more and allow many more spins while allowing profitability with a single win.

I will update this post with anything else I notice.  Enjoying this article so far!

#### kav

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #2 on: April 12, 2016, 11:02:03 PM »
Good point Reyth, i will clarify that the d'Alember was initially planned for even money bets.

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #3 on: April 13, 2016, 12:52:57 PM »
Btw, you may have missed this post:

https://forum.roulette30.com/index.php?topic=636.msg8344#msg8344

I find the OP VERY informative as I record my ramblings over several days of examining how the system fails.

#### kav

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #4 on: April 13, 2016, 02:31:18 PM »
Btw, you may have missed this post:

https://forum.roulette30.com/index.php?topic=636.msg8344#msg8344

I find the OP VERY informative as I record my ramblings over several days of examining how the system fails.
Indeed it is a great post - I added it.
Thanks

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #5 on: April 13, 2016, 03:50:03 PM »
« Last Edit: April 13, 2016, 03:56:29 PM by Reyth »

#### scepticus

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #6 on: April 13, 2016, 05:18:07 PM »
This is a classic roulette progression and maybe you are familiar with it. It was created by a famous mathematician who defended the gambler's fallacy. We offer an in-depth description, including different scenarios and variations that is still worth reading, even if you know the rules already.

D'Alembert and reverse d'Alembert roulette betting systems

I use only flat bets because I don't NEED  to use progressions - and progressions reduce the size of stakes . I am not totally opposed to progressions  as I have said before  that it can be used
with a proven marginally profitable method .
I think the method you have outlined - used with a good Bet Selection - can be EXTREMELY profitable .
I am confident that it could be used with a MAXIMUM of  6 steps and thus could overcome  " the series  from Hell " .
I will certainly get some "prior spins" or  use an RNG to get a feel  for what I have in mind.
So, thanks for that, kav.

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #7 on: April 13, 2016, 05:30:28 PM »
No doubt some genius is required here.  Looking forward to seeing what you come up with.

#### kav

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #8 on: April 13, 2016, 06:33:07 PM »
Thanks scepticus for your kind words.

Reyth, maybe it is a good idea to add a link to your bullseye system in the main posts of you other d'Alembert systems?

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #9 on: April 13, 2016, 08:10:19 PM »
Ok will do!

#### scepticus

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #10 on: April 13, 2016, 08:18:51 PM »
No doubt some genius is required here.  Looking forward to seeing what you come up with.

No genius required Reyth.
Just experience. Many years ago  I bet R/B with level stakes and built up profits and , unlike some people here, I tell it as it is .
I think I can do it mainly within FOUR bets so I shall try that first. I intend using a  Gala Casino, Gibraltar's disc that I have.

Not so good as I thought guys though I think it confirms my view that EC are best avoided. With a bit of work I think it will still be profitable.
Started with 4  seed  ( virtual ) numbers to indicate what to bet on the next 3 spins.
Used a 6 step bet 1-2-3-4-5-6 or prior win.
Hit 5 zeros.
At 100 bets was losing Five and a Half  units.
Needed 124 bets to win Point 5  (.5 ) of a unit.
Not so good.
Of 61 series of 6 ( or prior win) no less than 51 won on either the first or second bet - with 10 losing the 3 units - and usually  more.
( largest losing sequence was 7 , winning on 8th bet )
Analysis of these results suggest that  you only use a 2 step
1-2 unit progression i.e. 3 unit  but waiting for a win in six or 6 step loss before restarting if losing the 3 units.
This would have yielded a 21 unit profit for about 4 hours work !

A small sample but does , I think, prove the merit of my Guaranteed 5in 7 Chart/Block.
You would need to test it for yourself to find out if it  is suitable for you.
Not for me though . I prefer Higher Odds for Higher Risk!

« Last Edit: April 14, 2016, 12:56:37 AM by scepticus »

#### dobbelsteen

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #11 on: April 14, 2016, 08:19:34 AM »
In my blog I have posted the results of a D~Alembert sample for the ECs.With my Excel program I can research many samples before I draw my conclusions.

Reyth  it is not so difficult to write a D`Alembert Excel program for the double or single street. The only thing is you much research a very large sample. A player can not play samples more than 200 spins, a computer does.

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #12 on: April 14, 2016, 12:02:30 PM »
I played over 2000 spins in a single session using D'Alembert.

#### scepticus

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #13 on: April 14, 2016, 02:09:35 PM »
I played over 2000 spins in a single session using D'Alembert.

Reyth
Some of us such as Dobbelsteen , Harry J , Palestis  and myself argue that we should only consider
"short  series" because we only play in short sessions . Moreover, Mathematicians accept that we can win in the  Short Term. We have found that " The Law of Large Numbers " does not apply in the short term.
It can be argued that many Short Runs add up to a Long Run but no one seems able to say when that Long Run ends so this is  a hypothesis until proven by empirical evidence  - eventually .
You seek to do this by Long Trials but never seem to reach a definite conclusion. What we have asked you to do is break up your Long Runs into manageable Short Series which should show whether our  Short Terms  hypotheses are indeed " probable ".

#### Reyth

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##### Re: D'alembert and Reverse d'Alembert progressions explained
« Reply #14 on: April 14, 2016, 05:22:37 PM »
The purpose of my simulations is not the same as yours and neither am I a system critic.  I just reveal what is possible from the wheel according to reasonable expectation.