Sabi Roulette · Rule · 6 min

La Partage Rule for Roulette

“Sharing”: for French roulette, la partage mean sey even-money betsbetEven-money betRed/black, odd/even, high/low. 18 numbers, e dey pay 1:1.Read di whole tin → go lose only half when zero land.

Short answer

With la partage, di house edgemathsHouse edgeDi part of each stake wey di casino dey keep for average: 2.70% for European roulette.Read di whole tin → for red/black, odd/even and high/low go drop from 2.70% to 1.35%. Di oda bets no change.

e dey work for
even-money bets
when zero land
dem return half of di stake
edge
1.35%
for every $10, 100 spins
−$13.51

How di la partage roulette rule dey work

You bet $10 on redbetRedEven-money bet on di 18 red numbers. For French: rouge.Read di whole tin →. Di ballequipmentBallDi small ball wey dem dey throw for di track against di rotor. Modern balls na ivorine or Teflon, 18–21 mm.Read di whole tin → land for 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 →. Instead make di dealer sweep di 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 →, e go return $5 and take $5. Notin else for di game change: red still dey pay 1 to 1, zero still dey pay 35 to 1 for anybody wey bet am, dozensbetDozen1–12, 13–24 or 25–36, e dey pay 2:1.Read di whole tin → and columnsbetColumnTwelve numbers for one column of di layout wey stand from up to down, e dey pay 2:1.Read di whole tin → still dey lose everytin. Di rule dey touch only di six even-money boxes, and only when zero land.

Di calculation

EV for every unitmoniUnitDi base stake wey system or player dey work with. Dem dey describe progressions in units so dat dem go fit work for any table.Read di whole tin → for red without di rule: (18/37)(+1) + (19/37)(−1) = −1/37 ≈ −2.70%. With 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 →: (18/37)(+1) + (18/37)(−1) + (1/37)(−½) = −1/74 ≈ −1.35%. Dem return half of di zero loss, so half of di edge go disappear. Na di only common roulette rule wey dey work for di player side, and di difference dey add up for one session.

Expected loss for even-money bets, $10 × 100 spins$
French, la partage
$13.51
European
$27.03
American
$52.63
$
026.32$52.63

Where you go find am

E dey standard for French and Monaco casinos, e common for di rest of Europe, and you fit find la partage roulette online for plenty live tables wey get di name “French Roulettetype of rouletteFrench rouletteSingle-zero wheel with la partage or en prison, wey dey bring di even-money house edge down to 1.35%.Read di whole tin →”. Check di rules panel: sometimes dem dey use dat name for European table wey get French-language graphics and no partage. Some US high-limit rooms dey offer “surrender” rule for di double-zero wheel; dat one na la partage with anoda name, and e dey bring di even-money edge from 5.26% to 2.63%.

tableedge for even moneywetin dey happen when zero land
French, la partage1.35%dem return half of di stake
French, en prison≈ 1.35–1.39%dem hold di stake for one more spin
European, rule no dey2.70%di stake don lose
American wey get surrender2.63%dem return half of di stake
American, rule no dey5.26%di stake don lose

French Roulette

Wetin e dey do to systems

Every even-money progressionstrategyProgressionAny 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 → (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 →, D’Alembert, 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 →, 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 →) dey build on red/blackbetBlackEven-money bet for di 18 black numbers. For French: noir.Read di whole tin →. For la partage table, di 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 → for every unit wey you bet go cut into half for all of dem. No one of dem go bring profit; di mean still dey negative. But if you wan play one, di table rule go change your result pass di system wey you choose.

D'Alembert Strategy for RouletteLabouchère Strategy for Roulette

Formula

EV = (18/37)(+1) + (18/37)(−1) + (1/37)(−½) = −1/74

Questions wey pipo dey ask

La partage dey work for dozens?

No. Na only for di six even-money bets.

E be di same tin as en prison?

E near am. Both dey give about 1.35%. La partage dey settle sharp sharp; 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 give second spin.

I fit choose between dem?

No dey happen often. Di table dey use one or di oda. Some Monte Carlo tables dey allow di player choose when zero land.

Small laugh

1.35%. Di best bet for roulette na rule, no be number.

1.35%. Di best bet for roulette na rule, no be number.

Sources

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Chapter 13, roulette.
  2. Epstein, R. A. The Theory of Gambling and Statistical Logic, 2nd ed. Academic Press, 2013.
we check am 2026-09-28model: European wheel, single zerohow we work am ↗where we get am ↗