Roulette Tiers du Cylindre
“Wheel ka ek-tihai”: roulette tiers bet zero ke saamne ke barah pockets cover karti hai.

Chhe splits, chhe chips, barah numbers: wheel par 27 se 33 tak. Probability 32.43%, kisi bhi hit par net +12 units.
Splits
5-8, 10-11, 13-16, 23-24, 27-30, 33-36. Chhe chipspaisaChipEk fixed raqam ka token, jise bet lagane ke liye layout par rakha jaata hai. Doosra naam: check.Poora padhein →, har ek 17 to 1 pay karne wala splitbetSplitDo saath wale numbers, payout 17:1.Poora padhein →. Barah numbers wheel par 27 se 33 tak lagataar hain: 27 13 36 11 30 8 23 10 5 24 16 33. Ise “tiers” bolkar announce kiya jaata hai (tiers du cylindreFR · sectorTiers du cylindre“Wheel ka ek-tihaai”: zero ke saamne wale barah numbers, wheel par 27 se 33 tak, chhe splits se bet.Poora padhein →, German casinos mein pehle split ke naam par kabhi-kabhi “series 5/8”).
Payout aur expectation
Koi bhi hit ek split par 17 unitspaisaUnitBase stake jismein koi system ya player kaam karta hai. Progressions units mein batayi jaati hain taaki kisi bhi table par laagu hon.Poora padhein → deta hai aur baaki paanch haarte hain: 6-unit stake par net +12. ProbabilityganitProbabilityKisi outcome ka chance, 0 se 1 tak ya 0% se 100% tak. Ek number: 1/37 = 2.70%.Poora padhein → 12/37. Har spin ka EV: (12/37)(12) − (25/37)(6) = (144 − 150)/37 = −6/37, jo chhe units ka 2.70% hai. DozenbetDozen1–12, 13–24 ya 25–36, payout 2:1.Poora padhein → jitni coverage, layoutsaamanLayoutTable par chhapa betting grid. Doosre naam: table, felt, cloth.Poora padhein → ki jagah wheel par, aur flat payoutpaisaPayoutJeetne wala bet kya lautata hai, “X to 1” ke roop mein bataya jaata hai, wapas mile stake ke upar.Poora padhein → ke saath: har hit same pay karta hai.
Tiers vs dozen
Dono 32.43% par barah numbers cover karte hain. $30 ka dozen hit par +$60 deta hai, bilkul $5 ke chhe splits jaisa. Payout aur probability mein yeh same bet hain; fark sirf itna hai ki kaunse barah numbers aur kya woh ek arc banate hain. Bias player ke liye yahi sab kuch hai; system player ke liye kuch nahi.
Zero ke saamne kyun
French sectorwheelSectorWheel par pockets ka lagatar ek hissa (arc), layout ke kisi group se alag cheez.Poora padhein → bets wheel ko baant leti hain: voisins du zéroFR · sectorVoisins du zéro“Zero ke padosi”: wheel par 22 se 25 tak ke satrah numbers, nau chips se bet.Poora padhein → zerowheelZeroAkela green pocket jise koi even-money, dozen ya column bet cover nahi karta; house edge ka source. Doosre naam: single zero, 0.Poora padhein → ke aas-paas ke 17 pocketssaamanPocketRotor ke 37 numbered khaanon mein se ek. Doosre naam: slot, cup.Poora padhein → leti hai, tiers seedhe saamne ke 12, aur orphelinsFR · sectorOrphelins“Anaath”: voisins aur tiers ke baad bache aath numbers: 17, 34, 6 aur 1, 20, 14, 31, 9.Poora padhein → do chhote arcs mein bache hue 8. Milkar yeh teeno saare 37 ko exactly ek baar cover karti hain. Teeno Monte Carlo mein standard bani thi aur har live table ke racetracktableRacetrackLive aur electronic layouts par oval patti jo numbers ko wheel ke kram mein dikhati hai, neighbors aur sector bets ek tap mein lagane ke liye.Poora padhein → par chhapi hoti hain.
Table par
Physical dealer kuch seconds mein chhe chips rakh deta hai aur call dohrata hai (har ek par paanch units ke liye “tiers, cinq pièces”). Online, racetrack button par ek tap se chhe ki chhe rakh di jaati hain. Minimum poori call ke total par lagta hai, isliye $5 ka inside minimum $1 ki chhe chips se poora ho jaata hai.
Sawaal
Nahi. Yeh zero se sabse door wala wheel ka ek-tihai hai.
Aap chhe splits haath se kisi bhi weight ke saath rakh sakte hain; call bettableCall betHaath se lagane ke bajaye dealer ko bola gaya bet, aam taur par voisins ya tiers jaisa wheel-sector bet. Doosra naam: “announced bet”.Poora padhein → khud chhe barabar chips hai.
Thodi hansi

Barah pockets, chhe chips, wheel ka ek-tihai.
Sources
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Wykes, A. The Complete Illustrated Guide to Gambling.