Roulette Strategy: Di Full Picture
Roulette systems dey choose bets, change stakes or set rules for when to stop. No one of dem dey change di odds of spin wey no depend on oda spins.

For fair single-zerowheelZeroDi one green pocket wey no even-money, dozen or column bet dey cover; na im be di source of di house edge. Dem also dey call am: single zero, 0.Read di whole tin → wheel wey get standard payouts and no special zero rule, di expected loss na 2.70% of everytin wey you bet. Systems dey change how di results of sessions dey spread, no be dat price.
Di one theorem wey matter
Expected valuesmathsExpected valueDi average result for each bet for di long run. −1/37 of di stake for every standard European bet.Read di whole tin → dey add. If every bet wey you put get expected value of −1/37 of im stake, then any sequence of bets, no matter how clever you choose dem from past results, get expected value of −1/37 of di total wey you stake. Roulette strategy fit decide how much to bet and when; e no fit make one single bet positive, so e no fit make di total positive. Dis one no be sometin wey pipo find from experiment wey better system fit overturn. Na arithmetic.
Di two families of roulette strategies
Negative progressionsstrategyProgressionAny rule wey dey change di stake based on di results wey don pass. Negative progressions dey raise am afta losses, positive ones afta wins.Read di whole tin → dey raise di stake afta you lose: MartingalestrategyMartingaleProgression wey dey double di bet afta every loss. Check di Strategy section to see wetin e dey do and wetin e no dey do.Read di whole tin → (double am), FibonaccistrategyFibonacciProgression wey dey follow di sequence 1, 1, 2, 3, 5, 8, 13…: one step forward afta you lose, two steps back afta you win.Read di whole tin → (add di last two), D’Alembert (add one), LabouchèrestrategyLabouchèreCancellation system: write one line of numbers, bet di total of di two ends, cancel dem afta you win, add di stake wey you lose afta you lose.Read di whole tin → (add di two ends of one line). Dem dey give small wins wey dey come often and big losses wey rare. Positive progressions dey raise di stake afta you win: ParolistrategyParoliPositive progression: double afta you win, start again afta you lose or afta three wins one afta di oda. Dem also dey call am: reverse Martingale.Read di whole tin → (double am reach three times) and im relatives. Dem dey give small losses wey dey come often and big wins wey rare. Flat bettingstrategyFlat bettingTo bet di same amount every spin. Na di baseline wey dem dey compare every progression with.Read di whole tin → na di control group. Di table wey dey below na roulette strategy chart: wetin each system dey do afta loss and afta win.
Wetin roulette betting strategy really dey change
Three tins: how often you finish session with profit, how big di normal win be, and how big di rare disaster be. Martingale dey finish about 80% of short sessions with small profit and di oda 20% with loss wey wipe out ten of dose wins. Paroli dey finish most sessions small down and few with big gain. Flat betting dey for middle. For every case, di mean, over plenty sessions, na −2.70% of everytin wey you bet, and di progressions dey bet more.
How to read di strategy pages
Di progressions wey pipo sabi get simulators; di oda named systems dey use stake sequences wey we work out and payoutmoniPayoutWetin bet wey win dey return, wey dem dey quote as “X to 1” on top di stake wey dem return.Read di whole tin → tables. Coverage no be di same as spin wey get profit: chipmoniChipToken wey stand for one fixed amount, wey you put on top di layout to make bet. Dem also dey call am: check.Read di whole tin → wey win fit return small pass all di chips wey you put. Read di net result afta you don remove every bet wey lose. Source wey write down di rules of one system no be evidence sey e dey beat di house. Where accounts no agree or nobody fit confirm di story of where e come from, di page go tok am.
- p10 −$500
- p25 −$500
- median −$500
- p75 −$500
- p90 +$1,610
Wetin really dey help
Four tins dey change your expected lossmathsExpected lossExpected value times di total moni wey you bet; di average amount wey you go lose for one session or one period.Read di whole tin → and no one of dem na betting pattern: lower stake, fewer spins, la partageruleLa partageFrench rule: when zero come out, dem go return half of even-money stake. E dey cut di house edge for dose bets into half, to 1.35%.Read di whole tin → table (wey cut di edge for even-money betsbetEven-money betRed/black, odd/even, high/low. 18 numbers, e dey pay 1:1.Read di whole tin → into half, to 1.35%), and stop rule wey you decide before you sit down. Togeda dem fit cut di expected cost of one evening by three quarters. No progression fit cut am by one cent.
- Stake: expected loss dey go up and down with am.
- Spins: expected loss dey go up and down with dem. Slow tables cheap pass for each hour.
- Table rules: la partage or en prisonruleEn prisonFrench rule: when zero come out, dem go hold even-money bet for di next spin instead make e lose. E dey cut di house edge for dose bets into half.Read di whole tin → dey cut di even-money edge into half.
- Stop rule: di only part of any “system” wey dey work, becos e dey reduce di total turnovermoniTurnoverDi total moni wey you bet for one session or one period, including winnings wey you bet again. Dem also dey call am: handle, action.Read di whole tin →.
Why systems no dey die
Dem dey work most of di time. Martingale player wey play twenty evenings go win sixteen of dem and na dose one e go remember. Di four evenings wey e lose cost pass wetin di sixteen wey e win bring, but memory no dey keep account book. Add di fact sey systems dey give player sometin to do between spins, and you go understand why pipo like dem. Nobody dey argue di maths; na di psychology dey do di selling.

Questions wey pipo dey ask
No betting system dey do am. Di only wins wey dem document come from physical defects for wheels or from timing devices, and we cover both for di Lab.
No one of dem dey change di expected loss. For di lowest expected loss: flat betting with di smallest stake for di fewest spins for la partage table. For di highest chance of small win tonight: Martingale, as you sabi well well about di cliff.
If you add negative expected values, you go get negative. To join dem no dey help.
Small laugh

Every system na timetable for when di house go collect im moni.
Sources
- RouletteDoc. Short look at all di roulette strategies.
- Roulette77. Short look at all di roulette strategies.
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Thorp, E. O. “Optimal gambling systems for favorable games.”
- Epstein, R. A. The Theory of Gambling and Statistical Logic, 2nd ed.