Betcha la Zofiira kapena Zakuda la Roulette
Mu roulette, zofiira kapena zakuda zimaphimba manambala khumi ndi asanu ndi atatu a mtundu umodzi: betcha la even-money lofotokozera ena onse.

Manambala khumi ndi asanu ndi atatu, amalipira 1:1. Kuthekera 48.65%, osati 50%: ziro ndiyo kusiyana.
Kaikidwe
Mabokosi a daimondi yofiirabetchaZofiiraBetcha la even-money pa manambala 18 ofiira. Mu Chifalansa: rouge.Werengani yonse → ndi daimondi yakudabetchaZakudaBetcha la even-money pa manambala 18 akuda. Mu Chifalansa: noir.Werengani yonse → pakati pa mabetcha akunjabetchaBetcha lakunjaBetcha pa mabokosi ozungulira gridi: madazeni, mizati ndi mabetcha a even-money.Werengani yonse →, kapena mawu akuti rouge ndi noir pa dongosolo la mabetchazipangizoDongosolo la mabetchaGridi yosindikizidwa yobetchera pa tebulo. Imatchedwanso: tebulo, felt, nsalu.Werengani yonse → la ku France. Lililonse liyenera kufika malire ochepa a tebulo. Manambala ofiira: 1 3 5 7 9 12 14 16 18 19 21 23 25 27 30 32 34 36. Akuda: khumi ndi asanu ndi atatu otsalawo. ZirogudumuZiroKabowo kamodzi kobiriwira kamene betcha la even-money, dazeni kapena mzati siliphimba; gwero la phindu la kasino. Imatchedwanso: ziro imodzi, 0.Werengani yonse → ndi yobiriwira ndipo si ya mbali iliyonse.
Malipiro ndi mwayi wopambana mu roulette pa zofiira kapena zakuda
Mwayi wachilungamo motsutsana ndi 18 pa 37 ndi 1.056 ku 1; tebulo limalipira 1. Betcha la roulette la $10 pa zofiira limene lagunda limabweza $10. Pa mazungulidwe 37 a avareji: kupambana 18 (+$180), kuluza 18 (−$180), ziro imodzi (−$10). Zotsatira −$10 pa $370.
Zotsatizana
Zofiira ndi zakuda zimasinthana pa gudumu koma osati m’nthawi. Zofiira khumi motsatizana zili ndi kuthekeramasamuKuthekeraMwayi wa zotsatira, kuchokera 0 mpaka 1 kapena 0% mpaka 100%. Nambala imodzi: 1/37 = 2.70%.Werengani yonse → kwa (18/37)¹⁰ = 0.074%, pafupifupi kamodzi pa mazenera 1,350 a mazungulidwe khumi; mu kasino yokhala ndi matebulo makumi awiri ozungulira mazungulidwe 50 pa ola, zimachitika kwinakwake masiku ambiri. Palibe chilichonse mwa izi chimene chimanena kanthu za kuzungulira kwa khumi ndi chimodzi, kumene kuli 18/37 zofiira ngati kuzungulira kulikonse kwam’mbuyo.
N’chifukwa chiyani madongosolo amakhala pano
Zofiira/zakuda ndi pafupi kwambiri ndi kuponya ndalama mmwamba pa tebulo, zimene zimazipanga maziko achilengedwe a maprogressionnjiraProgressionLamulo lililonse limene limasintha ndalama zobetcha potengera zotsatira zakale. Maprogression olakwika amazikweza pambuyo poluza, abwino pambuyo popambana.Werengani yonse →: MartingalenjiraMartingaleProgression yowirikiza betcha pambuyo poluza kulikonse. Onani gawo la Njira kuti mudziwe zimene imachita ndi zimene siimachita.Werengani yonse →, D’Alembert, FibonaccinjiraFibonacciProgression yotsatira ndandanda 1, 1, 2, 3, 5, 8, 13…: sitepe imodzi kutsogolo pambuyo poluza, masitepe awiri kumbuyo pambuyo popambana.Werengani yonse →, LabouchèrenjiraLabouchèreDongosolo lofufutira: lembani mzere wa manambala, betchani chiwerengero cha mapeto awiri, afufuteni mutapambana, onjezerani ndalama zobetcha zotayika mutaluza.Werengani yonse → ndi ParolinjiraParoliProgression yabwino: wirikizani mutapambana, bwererani poyambira mutaluza kapena mutapambana katatu motsatizana. Imatchedwanso: reverse Martingale.Werengani yonse → onse amaganizira betcha la even-moneybetchaBetcha la even-moneyZofiira/zakuda, osakhala awiriawiri/awiriawiri, okwera/otsika. Manambala 18, amalipira 1:1.Werengani yonse →. Lililonse la iwo lili ndi kutayika koyembekezekamasamuKutayika koyembekezekaMtengo woyembekezeka kuchulukitsa ndi ndalama zonse zobetchedwa; kuchuluka kwapakati kwa ndalama zotayika mu gawo la masewera kapena nthawi inayake.Werengani yonse → kwa 2.70% ya ndalama zonse zobetchedwandalamaNdalama zonse zobetchedwaNdalama zonse zobetchedwa mu gawo la masewera kapena nthawi inayake, kuphatikizapo ndalama zopambana zobetchedwanso. Zimatchedwanso: handle, action.Werengani yonse → pa betcha ili, 1.35% pa tebulo la la partagelamuloLa partageLamulo la ku France: ziro ikatuluka, theka la ndalama zobetcha pa even-money limabwezedwa. Limachepetsa phindu la kasino ndi theka pa mabetcha amenewo kufika 1.35%.Werengani yonse →. Masamba a njira amaonetsa zimene iliyonse imachita ku maonekedwe a gawo la masewera.
- p10 −$420
- p25 −$280
- pakati −$140
- p75 +$20
- p90 +$140
Njira ya Roulette ya FibonacciNjira ya Roulette ya Labouchère
Malamulo a ku France
Ndi la partage kapena en prisonlamuloEn prisonLamulo la ku France: ziro ikatuluka, betcha la even-money limasungidwa kwa kuzungulira kotsatira m’malo moluzidwa. Limachepetsa phindu la kasino ndi theka pa mabetcha amenewo.Werengani yonse →, phindu la kasino pa betcha ili limachepa ndi theka kufika pa 1.35%. Ichi ndi chinthu chimodzi chofunika kwambiri pa tsamba lino: ngati mukufuna kubetcha zofiira, pezani tebulo la ku France.

Zotsatizana za mu 1913
Pa 18 August 1913 ku Monte Carlo zakuda zinatuluka nthawi 26 motsatizana. Osewera anadzaza tebulo kuyambira pafupifupi zakuda za khumi ndi zisanu kupita m’tsogolo, akubetcha zofiira chifukwa zinali “zoyenera kutuluka”, ndipo anataya mamiliyoni a ma franc. Kuthekera kwa zakuda 26 ndi (18/37)²⁶, pafupifupi kamodzi pa 137 miliyoni; kuthekera koti winawake, kwinakwake, potsiriza adzazione kunali kumodzi.
Mafunso
Ayi. 18 iliyonse.
Zofiira, mwapang’ono, m’maphunziro ambiri osindikizidwa a khalidwe pa tebulo. Sizisintha kalikonse.
Inde, mwangwiro. Pa dongosolo la mabetcha zimaoneka zomwazikana chifukwa dongosololo lili motsatira kuwerenga.
Nthabwala yopumitsa

Gudumu silikumbukira. Osewera amakumbukira mopitirira muyeso.
Magwero
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Feller, W. An Introduction to Probability Theory and Its Applications, Vol. 1.
- Schwartz, D. G. Roll the Bones: The History of Gambling.