Dabaran da dokokin roulette na Amurka
Ramuka talatin da takwas, 0 da 00, 5.26%. Biya iri ɗaya, ƙarin hanya ɗaya ta asara.

Dabaran sifili biyu yana biyan daidai abin da dabaran Turai ke biya a kowace caca, don haka ƙarin ramin asara ce tsantsa: 5.26% a kan cace-cace na yau da kullum, 7.89% a kan basketcacaBasketA dabaran mai sifili ɗaya: 0, 1, 2, 3 da tsabar caca ɗaya, biya 8:1. Ana kuma kiranta: first four, quatre premiers.Karanta gaba ɗaya → mai lambobi biyar.
Lissafin
Straight upcacaStraight upLamba ɗaya tak, biya 35:1.Karanta gaba ɗaya → yana cin nasara 1/38 kuma yana biyan 35:1: EV = 35/38 − 37/38 = −2/38 = −5.26%. Kowace caca tana ba da adadi ɗaya, domin dokar biyakuɗiBiyaAbin da cacar da ta ci ke dawowa da shi, ana faɗinsa a matsayin “X zuwa 1” a kan kuɗin cacar da aka mayar.Karanta gaba ɗaya → har yanzu tana yin kamar akwai ramukakayan aikiRamiƊaya daga cikin ɗakuna 37 masu lamba a kan rotor. Ana kuma kiransa: slot, cup.Karanta gaba ɗaya → 36. Abin da ya bambanta kawai shi ne cacar lambobi biyar a kan 0-00-1-2-3, wadda ke biyan 6:1 alhali bin dokar zai ba da 36/5 − 1 = 6.2; rage adadin zuwa ƙasa yana ba ta fifiko na 7.89%, mafi munin cacar yau da kullum a roulette.
Tsarin dabaran roulette mai sifili biyu
Dabaran Amurka yana amfani da wani jeri daban inda 0 da 00 suke fuskantar juna: 0 28 9 26 30 11 7 20 32 17 5 22 34 15 3 24 36 13 1 00 27 10 25 29 12 8 19 31 18 6 21 33 16 4 23 35 14 2. Lambobin da ke bin juna suna zaune a gaban juna a ɗayan gefen dabaran. Cace-cacen bakiteburCacar baki (call bet)Cacar da ake faɗa wa croupier da baki maimakon a ajiye ta da hannu, galibi cacar sashen dabaran kamar voisins ko tiers. Ana kuma kiranta “cacar da aka faɗa”.Karanta gaba ɗaya → kamar voisins da tiers ba su wanzu a kansa domin ɓangarorindabaranSasheRamuka da ke bin juna a jere a kan dabaran kamar baka, sabanin ƙungiyar lambobi a kan teburin caca.Karanta gaba ɗaya → da suke bayyanawa ba su wanzu ba.
Inda ake samun teburin roulette na Amurka
Las Vegas da yawancin gidajen caca na Amurka, wasu gidajen caca na Latin Amurka da Caribbean, da teburan intanet masu suna “American”. Ana samun teburan sifilidabaranSifiliRamin kore guda ɗaya da babu cacar ɗaya zuwa ɗaya, ta dozin ko ta ginshiƙi da ke rufe shi; tushen fifikon gidan caca. Ana kuma kiransa: sifili ɗaya, 0.Karanta gaba ɗaya → ɗaya waɗanda mafi ƙarancin cacarsu ya fi girma a wasu ɗakunan manyan cace-cace na Amurka, kuma wasu gidajen caca kaɗan na Amurka suna ba da “surrender” (mayar da rabi a kan cace-cacen ɗaya zuwa ɗayacacaCacar ɗaya zuwa ɗaya (even-money)Ja/baƙi, mara/cika, manya/ƙanana. Lambobi 18, biya 1:1.Karanta gaba ɗaya → idan 0 ko 00 ya fito), wanda ke kawo waɗannan cace-cacen zuwa 2.63%.
Me ya sa yake ci gaba da wanzuwa
Tarihi da al'ada. Roulette ya isa Amurka da sifili biyu kafin Blanc ya cire ɗaya a Turai, kuma babu wani mai gasa da ya tilasta canjin. Gidajen caca na Amurka sun gano cewa ʼyan wasa sun fi saurin kwatanta mafi ƙarancin caca a tebur fiye da fifikon gidan cacalissafiFifikon gidan cacaKason kowane kuɗin caca da gidan caca ke riƙewa a matsakaici: 2.70% a roulette na Turai.Karanta gaba ɗaya →, don haka dabaran sifili biyu mai mafi ƙarancin $10 yana zaune tare da dabaran sifili ɗaya mai mafi ƙarancin $100. Inda biyun suke gefe da gefe, lissafi yana cewa a buga sifili ɗaya da ƙaramin kuɗin caca maimakon sifili biyunau'iSifili biyuRamin 00 na dabaran Amurka. Kasancewarsa yana ɗaga fifikon gidan caca daga 2.70% zuwa 5.26%.Karanta gaba ɗaya → da babba.
Gaggafa
Dabarai na farko na Amurka a ƙarni na 19 sun ƙara rami na uku na gidan caca mai alamar gaggafa, wanda ya ba da fifiko sama da 7%. Bai tsira daga gasa ba. Dabaran sifili uku na 2016 ra'ayi ɗaya ne, sai dai da tambari maimakon tsuntsu.
Tambayoyi
A'a. Abin lura ke nan: biya iri ɗaya, ƙarin ramuka.
A'a. Ita kaɗai ce cacar roulette mai fifiko daban da sauran, kuma ta fi muni.
Eh, da tsari iri ɗaya. Asarar da ake tsammanilissafiAsarar da ake tsammaniƘimar da ake tsammani sau jimillar kuɗin da aka yi caca da su; matsakaicin adadin da ake rasawa a cikin zaman wasa ko wani lokaci.Karanta gaba ɗaya → 5.26% ce na raka'akuɗiRaka'aKuɗin caca na tushe da tsari ko ɗan wasa ke aiki da shi. Ana bayyana jerin ƙarin caca a raka'a don su yi aiki a kowane tebur.Karanta gaba ɗaya → 20 maimakon 2.70%.
Ɗan barkwanci

Biya iri ɗaya. Ramuka talatin da takwas. 5.26%.
Majiyoyi
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Schwartz, D. G. Roll the Bones: The History of Gambling.