Bets for Roulette · Call bet · sector · 7 min

Tiers du Cylindre for Roulette

“One third of di wheel”: di roulette tiers bet dey cover di twelve pockets wey face zero.

Short answer

Six splits, six chips, twelve numbers: 27 reach 33 for di wheel. Probability 32.43%, net +12 units for any hit.

e cover
12 / 37
probability
32.43%
chips
6 splits
net if e hit
+12 units
For di table · 12 numbers
For di wheel
0321519421225173462713361130823105241633120143192218297281235326
0321519421225173462713361130823105241633120143192218297281235326Voisins du zéroOrphelinsTiers du cylindreOrphelins
Di wheel for three sectors
12 numbers32.43% of di wheel6 chips
For wheel order
2713361130823105241633
How dem dey put di chips
0123456789101112131415161718192021222324252627282930313233343536
5-817:110-1117:113-1617:123-2417:127-3017:133-3617:1

Di splits

5-8, 10-11, 13-16, 23-24, 27-30, 33-36. Six chipsmoniChipToken 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 →, each one na splitbetSplitTwo numbers wey dey near each oda, e dey pay 17:1.Read di whole tin → wey dey pay 17 to 1. Di twelve numbers dey run without break round di wheel from 27 reach 33: 27 13 36 11 30 8 23 10 5 24 16 33. You go announce am as “tiers” (tiers du cylindreFR · sectorTiers du cylindre“One third of di wheel”: di twelve numbers wey dey opposite zero, from 27 to 33 for di wheel, wey you bet with six splits.Read di whole tin →, sometimes “series 5/8” for German casinos, afta di first split).

Where di ball dey go for tiers% of di spins
dis bet win
32.43%
anoda number
64.86%
zero
2.70%
% of di spins
032.4364.86%

Payout and wetin you fit expect

Any hit dey pay 17 unitsmoniUnitDi 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 one split and lose di oda five: net +12 for stake of 6 units. ProbabilitymathsProbabilityDi chance of one outcome, from 0 to 1 or from 0% to 100%. One number: 1/37 = 2.70%.Read di whole tin → 12/37. EV for each spin: (12/37)(12) − (25/37)(6) = (144 − 150)/37 = −6/37, wey be 2.70% of six units. Di same coverage as dozenbetDozen1–12, 13–24 or 25–36, e dey pay 2:1.Read di whole tin →, but for di wheel instead of di layoutequipmentLayoutDi betting grid wey dem print for di table. Dem also dey call am: table, felt, cloth.Read di whole tin →, and with flat 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 →: every hit dey pay di same.

6 × $5 for tierswetin happenprobabilityresult
one of di twelve+$85 − $2532.43%+$60
any oda numberyou lose six chips64.86%−$30
zeroyou lose six chips2.70%−$30
expected for each spin−$0.81

Tiers versus dozen

Both dey cover twelve numbers for 32.43%. $30 dozen dey pay +$60 if e hit, exactly like six $5 splits. Dem be di same bet for payout and probability; dem different only for which twelve numbers and whether di numbers form one arc. For bias player, dat one na everytin; for system player, e be notin.

Why e dey opposite zero

Di French sectorwheelSectorPockets wey follow each oda for one arc of di wheel, no be group for di layout.Read di whole tin → bets dey cover di wheel like tiles: voisins du zéroFR · sectorVoisins du zéro“Neighbours of zero”: di seventeen numbers from 22 to 25 for di wheel, wey you bet with nine chips.Read di whole tin → dey take di 17 pocketsequipmentPocketOne of di 37 small boxes wey get number for di rotor. Dem also dey call am: slot, cup.Read di whole tin → round 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 →, tiers dey take di 12 wey face am directly, orphelinsFR · sectorOrphelins“Orphans”: di eight numbers wey voisins and tiers leave: 17, 34, 6 and 1, 20, 14, 31, 9.Read di whole tin → dey take di 8 wey remain for two small arcs. Togeda dem cover all di 37 exactly one time. Na for Monte Carlo dem make di three standard, and dem dey print dem for di racetracktableRacetrackDi oval strip for live and electronic layouts wey dey show di numbers for wheel order, wey you dey use to put neighbours and sector bets with one tap.Read di whole tin → of every live table.

Roulette for Monte CarloDi Roulette Table

For di table

Dealer for physical table dey put six chips inside few seconds and e go repeat di call back (“tiers, cinq pièces” for five units for each). Online, one tap for di racetrack button dey put all di six. Minimums dey work for di total of di call, so six $1 chips go reach $5 inside minimum.

Questions wey pipo dey ask

Tiers include zero?

No. Na di third of di wheel wey far pass from zero.

I fit bet tiers with chips wey no equal?

You fit put di six splits by hand with any weights; di call bettableCall betBet wey you announce give di dealer instead of to put am with your hand, usually bet on one sector of di wheel like voisins or tiers. Dem also dey call am “announced bet”.Read di whole tin → by imself na six chips wey equal.

Small laugh

Twelve pockets, six chips, one third of di wheel.

Twelve pockets, six chips, one third of di wheel.

Sources

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Chapter 13, roulette.
  2. Wykes, A. The Complete Illustrated Guide to Gambling. Doubleday, 1964.
we check am 2026-09-28model: European wheel, single zerohow we work am ↗where we get am ↗