En Prison Roulette Rule
“In prison”: zero par phansa even-money betbetEven-money betRed/black, odd/even, high/low. 18 numbers, payout 1:1.Poora padhein → haarne ke bajaye ek aur spin paata hai.
En prison roulette mein aapki chip rok li jaati hai; agla spin jeetne par aapko stake wapas milta hai (koi winnings nahi). Maths ke hisaab se la partage ke kareeb: lagbhag 1.35% edge.
Kram
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 → aata hai. Aapki $10 ki redbetRed18 red numbers par even-money bet. French mein: rouge.Poora padhein → chippaisaChipEk fixed raqam ka token, jise bet lagane ke liye layout par rakha jaata hai. Doosra naam: check.Poora padhein → hatayi nahi jaati; dealer us par ek marker rakhta hai, ya use box ki line par khiska deta hai, taaki dikhe ki woh "prison" mein hai. Agla spin khela jaata hai. Red: chip chhod di jaati hai aur aapko $10 wapas milte hain, koi winnings nahi. BlackbetBlack18 black numbers par even-money bet. French mein: noir.Poora padhein →: chip haar jaati hai. Phir se zero: casino ke niyam alag hote hain. Kuch casino aadhi lauta dete hain (asal mein la partageniyamLa partageFrench rule: zero aane par even-money stake ka aadha wapas milta hai. In bets par house edge aadha hokar 1.35% ho jaata hai.Poora padhein →), kuch use ek aur spin ke liye rok kar rakhte hain, aur kuch use seedha haar maan lete hain.
Zero aata hai. Red par aapke $10 par “en prison” ka nishaan lagta hai.
Chip chhooti. $10 wapas, koi winnings nahi. Do spin ka net: $0.
Chip haar gayi. Net: −$10.
Casino par nirbhar: chip ruki rehti hai, aadhi wapas milti hai, ya haar jaati hai.
Hisaab
Zero ke baad wale spin par ruki hui chip 18/37 ki probabilityganitProbabilityKisi outcome ka chance, 0 se 1 tak ya 0% se 100% tak. Ek number: 1/37 = 2.70%.Poora padhein → se apna stake wapas jeetti hai aur 18/37 ki probability se haar jaati hai (doosre zero wali sthiti ko chhod kar). Isliye uski expected valueganitExpected valueLambe samay mein har bet ka ausat nateeja. Har standard European bet ke liye stake ka −1/37.Poora padhein → lagbhag aadhe stake ke barabar hai, bilkul waise hi jaise la partage turant aadha lauta deta hai. Agar doosra zero chip ko hara deta hai, toh en prisonniyamEn prisonFrench rule: zero aane par even-money bet haarne ke bajaye agle spin ke liye rok liya jaata hai. In bets par house edge aadha ho jaata hai.Poora padhein → la partage se bahut thoda kharab hai: 1.39% banaam 1.35%. Agar doosra zero chip ko bas ek aur spin ke liye rok leta hai, toh dono bilkul same hain. Sakht French niyam mein doosra zero chip ko ek level aur andar bhej deta hai, aur bahar aane ke liye use do jeet chahiye: 1.37%. Table chunte waqt yeh fark itna chhota hai ki ise ignore kiya ja sakta hai.
Yeh niyam kyun hai
Roulette en prison do French niyamon mein purana hai aur 19vi sadi ke spa casinos mein regular khiladiyon ke liye ek rehmat tha. La partage iska modern, aasaan roop hai: wahi value, koi hisaab-kitaab nahi, line par chhooti chip ko lekar koi behas nahi. Monte Carlo ki tables par pehle zero aane par khiladi khud chun sakta tha; aaj zyadatar tables ek niyam apne aap lagu karti hain.
Aapke apne niyamon ke saath
Agar aap stop-lossstrategyStop-lossNuksaan ki pehle se tay raqam, jis par aap session khatam kar dete hain.Poora padhein → ya spins ki fixed ginti ke saath khelte hain, toh ruki hui chip agle spin par ek aisi bet hai jo aapne lagane ka faisla nahi kiya. Baat chhoti hai, lekin roulette mein yahi ek sthiti hai jahan table aapke liye faisla leti hai.
Sawaal
Nahi. Woh tab tak rehti hai jab tak agla spin uska faisla na kar de. Kuch casino aapko iske bajaye aadha lene dete hain, jo doosre raaste se la partage hi hai.
Nahi. Sirf even-money bets par, la partage ki tarah.
Dono mein 0.04% se kam ka fark hai. Table jo de, wahi le lijiye.
Maths ke saath mazaa
Pehle khud try kijiye. Har solution chhupa hua hai; jab taiyaar hon tab kholiye.
En prisonniyamEn prisonFrench rule: zero aane par even-money bet haarne ke bajaye agle spin ke liye rok liya jaata hai. In bets par house edge aadha ho jaata hai.Poora padhein → mein, 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 → mein phansi even-money betbetEven-money betRed/black, odd/even, high/low. 18 numbers, payout 1:1.Poora padhein → ko ek aur spin milta hai: jeet stake lauta deti hai, baaki sab kuch use haar deta hai, doosra zero bhi. House edgeganitHouse edgeHar stake ka woh hissa jo casino average mein rakh leta hai: European roulette mein 2.70%.Poora padhein → nikaliye.
Solution dikhaiye
Jawab 19/1,369, lagbhag 1.39%.
RedbetRed18 red numbers par even-money bet. French mein: rouge.Poora padhein → par $1 lijiye. Yeh 18/37 chance se seedha jeetti hai: +1.
Zero 1/37 chance se aata hai. Tab agla spin 18/37 chance se stake lautata hai (net 0) aur warna use haar deta hai. Isliye bet pehle spin par 18/37 chance se haarti hai, plus zero ke baad 1/37 × 19/37: 666/1,369 + 19/1,369 = 685/1,369.
Expected valueganitExpected valueLambe samay mein har bet ka ausat nateeja. Har standard European bet ke liye stake ka −1/37.Poora padhein →: 666/1,369 − 685/1,369 = −19/1,369 ≈ −1.39%. La partageniyamLa partageFrench rule: zero aane par even-money stake ka aadha wapas milta hai. In bets par house edge aadha hokar 1.35% ho jaata hai.Poora padhein → turant aadha lauta deta hai aur uski keemat 1/74 ≈ 1.35% hai: doosra zero hi poora fark hai.
Thodi hansi
Azaadi mili, lekin winnings nahi.
Sources
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Wykes, A. The Complete Illustrated Guide to Gambling.
- Wizard of Odds. “Roulette Basics.”