Dabarar John Wayne a roulette
Tsarin John Wayne yana sa tsabobin caca goma na straight up da corner a kewayen lambobi biyu na ginshiƙin tsakiya. Da cibiyoyi 5 da 32, yana rufe ramuka 18 amma goma ne kawai daga cikinsu ke ba da sakamakon tsaf mai riba.

Tsarin tsabobi goma yana ba da −1 tsaf a ramuka takwas na corner na waje, +8 a ramuka takwas na corner na ciki, +62 a cibiyoyi biyu, da −10 a sauran ramuka 19 na Turai.
Matakai da wuraren sa caca
Ku zaɓi lambobi biyu da suka dace daga ginshiƙincacaGinshiƙiLambobi goma sha biyu a cikin ginshiƙi ɗaya a tsaye na teburin caca, biya 2:1.Karanta gaba ɗaya → tsakiya; wannan misalin tsarikayan aikiTeburin caca (layout)Ragar caca da aka buga a kan tebur. Ana kuma kiransa: table, felt, cloth.Karanta gaba ɗaya → yana amfani da 5 da 32. Ku sa tsabar cacakuɗiTsabar cacaAlamar da ke wakiltar ƙayyadadden adadin kuɗi, wadda ake ajiyewa a kan teburin caca don yin caca. Ana kuma kiranta: check.Karanta gaba ɗaya → ta straight up (cacar lamba ɗaya) ɗaya a kan kowace cibiya, da tsabar caca ɗaya a kan kowane daga cikin cornercacaCornerLambobi huɗu da ke tarayya a kusurwa ɗaya a kan teburin caca, biya 8:1.Karanta gaba ɗaya → huɗu da ke kewaye da kowace cibiya. Wannan tsabobin caca goma ne gaba ɗaya. Rukunoni biyu na gida ba sa haɗuwa a wannan misalin, kuma suna rufe ramukakayan aikiRamiƊaya daga cikin ɗakuna 37 masu lamba a kan rotor. Ana kuma kiransa: slot, cup.Karanta gaba ɗaya → 18 daban-daban. “An rufe” ba ya nufin kowane rami da aka rufe yana da sakamako mai riba, saboda darajar cacar da ta ci ta bambanta tsakanin corner da straight up.
Teburin biya
Dukan sakamakon tsaf da ke ƙasa suna cire dukan tsarin tsabobi goma.
Misali
A 5, tsabar cacar straight up tana dawo da 36 a jimillar dawowa, corner huɗu da ke kewaye da ita kuma suna dawo da 9 kowanne, jimilla 72. A kan 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 → goma da aka sa, sakamakon tsaf +62 ne. A lambar corner na ciki da cace-cacen corner biyu ke rabawa, dawowar raka'a tara biyu tana ba da 18 − 10 = +8. A lambar corner na waje, corner ɗaya ne kawai ke dawo da tara kuma sakamakon tsaf shi ne 9 − 10 = −1. Lambar da ke wajen kowace caca da aka lissafa tana asarar dukan raka'a goma.
Abin da ake tsammani da haɗari
Tsarin yana da ramuka 18 da aka rufe a dabaran mai 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, amma cibiyoyi biyu da ramuka takwas na corner na ciki ne kawai ke da riba. Ƙimar da ake tsammanilissafiƘimar da ake tsammaniMatsakaicin sakamako a kowace caca a cikin dogon lokaci. −1/37 na kuɗin caca a kowace cacar Turai ta yau da kullum.Karanta gaba ɗaya → ita ce (8 × −1 + 8 × 8 + 2 × 62 + 19 × −10) / 37 = −10/37 raka'a, daidai da farashin roulette na Turai na yau da kullum na raka'a goma da aka sa. Dabaran mai sifili biyu yana ƙara wani rami mai asara kuma yana canza mai raba. Manyan nasarori a cibiya suna yiwuwa, amma girmansu da ba kasafai yake faruwa ba ba ya canza 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 → a kowace tsabar caca.
Tambayoyi
Corner ɗaya da ya ci yana dawo da tara a jimillar dawowa, yayin da tsarin ya kashe goma. Wannan jimillar dawowa ce, ba riba ta raka'a goma ba.
Su ne cibiyoyin misalin. Duk wasu cibiyoyi da aka ba da shawara dole a duba wuraren corner da ke kewaye da su iri ɗaya domin iyakokin teburi da haɗuwa.
Ɗan barkwanci

An rufe lambobi 18, goma suna da riba, takwas kuma suna cin corner amma har yanzu suna asarar raka'a ɗaya.
Majiyoyi
- RouletteDoc, bayani gaba ɗaya kan dabarar
- Roulette77, “John Wayne” — tsari mai cibiyoyi biyu
- Wizard of Odds, Roulette Basics — biyan straight up da corner
- Wizard of Odds, The Truth about Betting Systems — tsare-tsare suna riƙe fifikon gidan caca na roulette