Dabaran roulette
Ramuka talatin da bakwai, ja da baƙi suna musanya, an jera su ta yadda babu wani sashe na gefen dabaran da yake “sama” ko “ƙasa”.

Dabaran Turai yana ɗauke da 0 zuwa 36 bisa kafaffen jeri da ke yaɗa launuka, mara da cika, da girman lambobi daidai a kewayen gefensa.
Ku nuna wani sashe ko ku taɓa shi don ganin lambobinsa.
Yaya dabaran roulette yake aiki?
Dabaran roulette na gidan caca kwanokayan aikiKwanon dabaran (bowl)Ɓangaren waje na dabaran da ba ya motsi: gefen katako ko haɗaɗɗen abu da ke riƙe da hanyar ƙwallo da apron, wanda rotor ke juyawa a cikinsa.Karanta gaba ɗaya → ne mai faɗin kusan 80 cm da aka saka a cikin teburi. Gefen waje yana ɗauke da hanyar ƙwallokayan aikiHanyar ƙwalloTsagin da ke gefen dabaran inda ƙwallo ke gudu kafin ya rage gudu ya faɗi. Ana kuma kiransa: hanya ta sama.Karanta gaba ɗaya →, wani layi mara zurfi da ƙwallokayan aikiƘwalloƘaramin ƙwallon da ake jefawa a hanyarsa a akasin juyawar rotor. Ƙwallayen zamani na ivorine ko Teflon ne, 18–21 mm.Karanta gaba ɗaya → yake gudu a ciki. A ƙasan hanyar, kwanon yana gangarawa zuwa ciki ta gangarekayan aikiApronWurin da ke gangare tsakanin hanyar ƙwallo da ramuka, inda masu karkatar da ƙwallo suke.Karanta gaba ɗaya →, wanda ke ɗauke da masu karkatarwakayan aikiMai karkatarwa (deflector)Ɗaya daga cikin shingayen ƙarfe da ke kan apron waɗanda ke warwatsa ƙwallon da ke faɗuwa. Ana kuma kiransa: canoe, diamond, pin.Karanta gaba ɗaya → na ƙarfe guda takwas, huɗu a tsaye huɗu a kwance, waɗanda ake kira canoes ko diamonds. A tsakiya akwai rotorkayan aikiRotorƁangaren dabaran da ke juyawa wanda ke ɗauke da ramuka.Karanta gaba ɗaya →: faifan da ke juyawa wanda yake riƙe da ramukakayan aikiRamiƊaya daga cikin ɗakuna 37 masu lamba a kan rotor. Ana kuma kiransa: slot, cup.Karanta gaba ɗaya → 37 masu lamba, da aka raba da katangun ƙarfe da ake kira fretskayan aikiFretRabe-raben ƙarfe da ke tsakanin ramuka biyu a kan dabaran.Karanta gaba ɗaya →. Wata ƙaramar hasumiya a tsakiya tana ba croupier abin riƙewa lokacin da yake juya shi.
Ana harba ƙwallo a saɓanin hanyar rotor, don haka su biyun suna tafiya a hanyoyi masu gaba da juna. Yana zagaya hanyar sau goma zuwa ashirin, yana rage gudu, yana faɗowa ta gangaren, yawanci yana bugun mai karkatarwa, yana tsalle a kan frets, sannan ya tsaya.
Lambobi nawa ne a dabaran roulette? 37, bisa kafaffen jeri
Jerin lambobin dabaran roulette na Turai, bisa hanyar agogo daga 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 →: 0 32 15 19 4 21 2 25 17 34 6 27 13 36 11 30 8 23 10 5 24 16 33 1 20 14 31 9 22 18 29 7 28 12 35 3 26. Jerin yana kama da na kwatsam amma ba haka ba ne. JacacaJaCacar ɗaya zuwa ɗaya (even-money) a kan lambobi ja 18. A Faransanci: rouge.Karanta gaba ɗaya → da baƙicacaBaƙiCacar ɗaya zuwa ɗaya (even-money) a kan lambobi baƙi 18. A Faransanci: noir.Karanta gaba ɗaya → suna musanya sosai. Manya da ƙananan lambobi suna musanya gwargwadon yadda ramuka 37 suka yarda. An haɗa mara da cika ta yadda babu wani sashe na gefen da ya fifita ɗaya. Lambobin da ke bin juna ba sa taɓa zama kusa da juna.
- Launuka suna musanya a duk zagayen: ja, baƙi, ja, baƙi, sifili kuma kore ne.
- Kowane ramuka biyu da ke da nisa ɗaya a hagu da dama na sifili, ko dai duka manya ne ko duka ƙanana.
- Babu lambobi biyu masu bin juna da suke taɓa juna: 32 yana tsakanin 0 da 15, kuma 33 yana da nisan ramuka goma sha shida daga gare shi. Wannan ba kwatsam ba ne na zane, shi ne zanen.
Me ya sa jerin lambobin dabaran roulette yake da muhimmanci
MaƙwabtacacaMaƙwabta (neighbors)Lamba da ramuka biyu a kowane gefensa a kan dabaran, tsabobin caca biyar na straight up.Karanta gaba ɗaya → a teburi ba maƙwabta ba ne a dabaran. 17 yana tsakanin 25 da 34 a gefen dabaran, kuma ba ya kusa da 16 da 18 ko kaɗan. Don haka cacar cornercacaCornerLambobi huɗu da ke tarayya a kusurwa ɗaya a kan teburin caca, biya 8:1.Karanta gaba ɗaya → a kan 16-17-19-20 tana rufe ramuka huɗu da suka warwatse a kewayen dabaran, yayin da “17 da maƙwabtansa” yana rufe baka ɗaya na ramuka biyar. Cace-cacen sashedabaranSasheRamuka da ke bin juna a jere a kan dabaran kamar baka, sabanin ƙungiyar lambobi a kan teburin caca.Karanta gaba ɗaya → (voisins du zéroFR · sasheVoisins du zéro“Maƙwabtan sifili”: lambobi goma sha bakwai daga 22 zuwa 25 a kan dabaran, ana caca a kansu da tsabobin caca tara.Karanta gaba ɗaya →, tiers du cylindreFR · sasheTiers du cylindre“Kashi ɗaya cikin uku na dabaran”: lambobi goma sha biyu da ke gaban sifili, daga 27 zuwa 33 a kan dabaran, ana caca a kansu da split shida.Karanta gaba ɗaya →, orphelinsFR · sasheOrphelins“Marayu”: lambobi takwas da voisins da tiers suka bari: 17, 34, 6 da 1, 20, 14, 31, 9.Karanta gaba ɗaya →) ana ayyana su ne bisa matsayi a dabaran, kuma ɗan wasan karkatar dabaran yana kula da bakuna ne, ba rukunan tsarin teburikayan aikiTeburin caca (layout)Ragar caca da aka buga a kan tebur. Ana kuma kiransa: table, felt, cloth.Karanta gaba ɗaya → ba. A kan tsarin teburi, siffar caca tana gaya muku biyantakuɗiBiyaAbin 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 →; a kan dabaran ba ta gaya muku komai game da yiwuwa ba, sai dai komai game da kimiyyar motsi.
Adalci bisa tsari
Masana'antun suna daidaita rotor na kowane dabaran roulette da gidan caca ya kafa da ƙananan nauyi, kamar tayar mota, zuwa iyakar ɓangarorin gram. Ana sassaka ramuka daga yanki ɗaya don kada wani rami ya fi maƙwabtansa zurfi. Frets gajeru ne kuma wani lokaci a lanƙwashe suke don kada ƙwallo ya tsaya ta hanyar da za a iya hasashe. Gidajen caca suna daidaita kwanon da ma'aunin daidaito kuma suna musanya rotors tsakanin kwanuna don duk wata matsala da ta bayyana kada a iya danganta ta da teburi ɗaya. Ana gina dabaran roulette kuma ana kula da su haka ne saboda ʼyan wasan da ke shafin shahararrun ʼyan wasa: karkata gaskiya ce, an taɓa amfani da ita, kuma yanzu an cire ta ta hanyar injiniya.

Dabaran Amurka, a taƙaice
Dabaran Amurka yana da ramuka 38, 0 da 00 suna fuskantar juna, kuma jerin lambobinsa daban ne: 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 fuskantar juna kai tsaye. 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 ba su da shi saboda sassan da suke bayyanawa ba su nan. Duk sauran kayan aikin iri ɗaya ne.
Ƙimar da ake tsammani ta cace-cacen bakiDabaran da dokokin roulette na Amurka
Karanta dabaran daga bidiyo
A watsa shirye-shirye kai tsaye kuna iya ganin hanyar juyawar rotor, ku ƙiyasta gudunsa ta hanyar auna lokacin da ramin sifili yake wucewa wani kafaffen wuri, kuma ku ƙirga zagayen ƙwallo. Babu ɗaya daga cikin waɗannan da ke canja damarku; duka kuma kyakkyawan atisaye ne ga shafukan Ɗakin gwaji, waɗanda ke bayyana abin da zai ɗauka a mai da waɗannan abubuwan lura zuwa fifiko, da kuma dalilin da ya sa situdiyo suke tabbatar da cewa ba za ku iya ba.
Tambayoyi
Croupier suna musanyawa ko suna bin dokokin gida; kullum ƙwallo yana bin hanyar da ke gaba da ta dabaran. Hanyar ba ta da tasiri a kan damar.
Don kada ya kasance cikin kowace cacar launi. Dabaran farko suna amfani da wasu launuka; kore ya zama ma'auni a ƙarni na 19.
ʼYan gram kaɗan. Ƙwallaye na zamani na ivorine ko Teflon ne, faɗinsu 18 zuwa 21 mm. Ƙwallaye masu sauƙin nauyi sun fi tsalle.
Dabaran croupier kai tsaye na gaske ne kuma ana ɗaukar su a bidiyo. Teburori na RNG suna fitar da lambar a manhaja kuma suna nuna dabaran mai motsi don kallo.
Ɗan barkwanci

Maƙwabta a teburi ba maƙwabta ba ne a dabaran.
Majiyoyi
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Small, M. & Tse, C. K. “Predicting the outcome of roulette.”
- Barnhart, R. T. Beating the Wheel.