JoB Differential Pulley System
Hi everyone, I’m Franz (JOBINGENIEUR1). I am a retiree from Vienna, and I’m here to share my personal hobby—a systematic approach to Jacks or Better.
I am fully aware of the skepticism regarding 'winning systems' here, but I approach this as an engineer would. My setup is built on three pillars:
The Progression: A very conservative Royal Flush progression. I only increase the stake by 0.10 € after every 80 units of loss.
The Buffer: I utilize casino promotions to absorb variance.
I see my strategy like a differential pulley: lifting the casino’s weight millimeter by millimeter through discipline and mechanics.
I'm looking for a calm, analytical exchange. I’m not here to sell anything, just to discuss the math and the logic with fellow JoB enthusiasts. Looking forward to your thoughts!
Quote: JobIngenieur1Message:
Hi everyone, I’m Franz (JOBINGENIEUR1). I am a retiree from Vienna, and I’m here to share my personal hobby—a systematic approach to Jacks or Better.
I am fully aware of the skepticism regarding 'winning systems' here, but I approach this as an engineer would. My setup is built on three pillars:
The Progression: A very conservative Royal Flush progression. I only increase the stake by 0.10 € after every 80 units of loss.
The Buffer: I utilize casino promotions to absorb variance.
I see my strategy like a differential pulley: lifting the casino’s weight millimeter by millimeter through discipline and mechanics.
I'm looking for a calm, analytical exchange. I’m not here to sell anything, just to discuss the math and the logic with fellow JoB enthusiasts. Looking forward to your thoughts!
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Welcome to the forum. I’d change one sentence.
‘’I utilize casino promotions to change a -EV bet into a +EV scenario.”
Tell us what you got and will give you our thoughts, free of charge!
Hi everyone, thanks for the feedback!
Please note: I don't speak English, so I am using an AI assistant to translate my thoughts for me.
@SOOPOO: You hit the nail on the head. As an engineer, my goal is exactly that: turning a losing game into a winning one by strictly calculating the promotions into the overall math. In my view, the "Buffer" isn't just there to survive swings; it's the component that pushes my total EV over 100%. I'm not here to gamble; I'm here to collect the mathematical surplus that my system creates.
To give you a better understanding of how I lift the casino's weight millimeter by millimeter, here is my Royal Flush Progression for Jacks or Better (Win2day + Live Casino):
Base Unit: €0.10
The Logic: I only increase the stake by €0.10 after every 80 units of loss.
The Scale (Extract from my table):
Level 1: €0.00 – €80.00 Loss → Stake €0.10
Level 2: €80.00 – €160.00 Loss → Stake €0.20
Level 3: €160.00 – €240.00 Loss → Stake €0.30
... up to Level 800 with a calculated max loss of €64,000.
Current Status of the project:
Profit: €135.10 (including €141 in Promotions)
Loss Balance: €000.00
Hits recorded: 186 Flushes, 227 Full Houses, 48 Quads, 6 Straight Flushes.000 Royal flush
The €141 Promotion buffer is the key that keeps the system in the +EV zone. I manage the math until the Royal Flush (x800) eventually hits. Looking forward to your technical thoughts!
* the expected value of a bet is the amount bet multiplied times the house edge.
that's V=B*E where those symbols mean the above in respective order.
Thus a system where you change the bet amount only becomes a factor of how much you bet in total. If not how do you change the other values? If you don't, how can you just throw away the maxim?
A classic Martingale doubles the bet and hits the table limit or bankruptcy very quickly. My system is a 'Differential Pulley': I only increase the stake by a tiny €0.10 after 80 full units of loss. This is a slow, controlled adjustment.
To put it into perspective: According to AI-calculations, it would take approximately 2 million hands without hitting a Royal Flush to reach my maximum loss limit of €64,000. In a game like Jacks or Better, the probability of such a long dry spell is mathematically near zero.
As you correctly noted, the Comp-maxxing (Promotions) is the fuel. My table shows I am currently at €0.00 loss balance because the promotions absorbed the variance. It's about engineering stability, not gambling."
To show you how my "Differential Pulley" works in practice, look at this mechanical adjustment:
The Trigger: Let's say I am at Level 2 because my loss reached €80.10. My stake is now €0.20.
The Event: I hit a Quad (Four of a Kind), which pays out €5.00.
The Adjustment: My total loss balance immediately drops to €75.10.
The Result: Since €75.10 is below the €80 threshold, the machine automatically shifts back to Level 1 (Stake €0.10).
This system is self-regulating. Every win reduces the tension on the rope and allows the system to downshift immediately.
A personal note on my motivation:
I don't care about "making it big" or hitting a million-dollar jackpot. I am a retired engineer, and for me, this is about the logic. I am happy to forgo the "big money" because no amount of profit can buy the feeling of being mathematically invincible against the casino. To me, the triumph of the system over the house is the greatest reward.
In your formula, you assume E (the house edge) is a fixed negative value. However, in my case, the 141 Euro in Promotions acts as a powerful counterweight. When you factor these "Comps" into the equation, the effective E for my session shifts from negative to positive (+EV).
The "Differential Pulley" (my progression) is not designed to beat the math of the game itself, but to provide the structural stability to carry me safely through the variance until the math of the Promotions and the Royal Flush pays off.
I don't want to break the maxim—I just use the promotion-buffer to change the value of E before I start the engine. Best regards from Vienna!
I am not going to elaborate on this topic.
Every year, tens of thousands of people trick themselves into believing they are a uniquely intelligent person who can beat the house edge without doing some form of card counting or cheating. You cannot, it would have been done a long time ago. AI will not help you here, they just validate what you want to hear.
I'll grant that comps can make something +EV, but in that case changing the size of the bets at various times would have to be cause and effect to matter.Quote: JobIngenieur1Hi odiousgambit, thank you for bringing up the classic maxim V = B * E. As an engineer, I highly respect these fundamental laws of mathematics. I am not throwing them away; I am merely adding the "missing variables" from my specific environment.
In your formula, you assume E (the house edge) is a fixed negative value. However, in my case, the 141 Euro in Promotions acts as a powerful counterweight. When you factor these "Comps" into the equation, the effective E for my session shifts from negative to positive (+EV).
The "Differential Pulley" (my progression) is not designed to beat the math of the game itself, but to provide the structural stability to carry me safely through the variance until the math of the Promotions and the Royal Flush pays off.
I don't want to break the maxim—I just use the promotion-buffer to change the value of E before I start the engine. Best regards from Vienna!
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Quote: JobIngenieur1"Hi harris, thank you for sharing your expertise and your perspective on the matter. I appreciate the warning. I will keep playing with my strategy and see where the journey leads. I wish you all the best and good luck at the tables!"
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There is one question to answer. Factoring in whatever ‘casino promotion’ you are availing yourself of, is your next bet OVERALL +EV or -EV?
Is EVERY BET, factoring in the value of the casino promotion, +EV or -EV?
If the answer is the promotion makes the bets +EV, then your system might suit your money management goals and limits.
If the answer is the bets are all still individually -EV, then you are just rearranging deck chairs on the Titanic before that fateful day….
From a practical standpoint: I visit a land-based casino in Vienna and once a day, I receive €30 in credits for just €27. That is an immediate 11.11% return.
If I play a machine with an RTP (Return to Player) of 95%, my effective EV (Expected Value) rises to 106.11% due to the promotion. This isn't mathematical 'hocus pocus'—it is hard reality."
Furthermore, I have calculated the variance for my sessions. Over a sample size of 2 million hands, the probability of NOT hitting a Royal Flush is practically zero (it's roughly 10^{-22}). This confirms that over the long term, the promotion-buffer makes the strategy mathematically sound."
Quote: JobIngenieur1"Thanks for the reply.
From a practical standpoint: I visit a land-based casino in Vienna and once a day, I receive €30 in credits for just €27. That is an immediate 11.11% return.
If I play a machine with an RTP (Return to Player) of 95%, my effective EV (Expected Value) rises to 106.11% due to the promotion. This isn't mathematical 'hocus pocus'—it is hard reality."
Furthermore, I have calculated the variance for my sessions. Over a sample size of 2 million hands, the probability of NOT hitting a Royal Flush is practically zero (it's roughly 10^{-22}). This confirms that over the long term, the promotion-buffer makes the strategy mathematically sound."
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I’ll address the first part. So you get a ‘bankroll’ of 30 euros for 27 euros. Assume you play that once through on your 95% machine. You’ll get around 2.5 euros in +EV out of that. Totally reasonable. But you aren’t going to feed your family on that rake.
ALL the rest you bet on that 95% machine will be -EV. ALL. Despite what you post about ‘I’ll get at least one royal in two million hands’ IT DOESNT MATTER. Each bet you make subject to the house edge and not adding to your casino promotion is a -EV bet. The more of those you make the more you will lose.
The land-based casino, where I utilize the €3 promotion I described.
The online casino (win2day), where I play with €0.10 stakes—either live with a dealer or on a 9/6 machine with an 800x RF linear full pay table, following my 800-step progression. Online, there are different promotions available.
I never claimed that I had to feed a family with this. I simply enjoy the feeling of being invincible—a feeling he probably doesn't even know, given how he mocks my €2.50 daily profit. Also, where did he get the idea that I bet anything beyond my initial €30?
And now, I have one final tip for all you 'pros':
Go look in your old physics textbooks and study exactly how a differential pulley works. Once you truly grasp how this simple, ingenious machine operates, you will understand my system.
I find it hard to believe that a retired tram driver from Vienna has to explain to you how to beat a casino. Am I really the only one-eyed man among the blind here?
Have a nice day."
