Njira ya Roulette ya Contra Bet
Contra Bet ndi lamulo lofanana ndi D’Alembert yotembenuzidwa: onjezerani unit imodzi pambuyo pa kupambana ndipo chotsani imodzi pambuyo pa kuluza.

Malire otsikitsitsa a unit imodzi amapangitsa lamuloli kutheka pamene kuluza kobwerezabwereza kukanatsitsa ndalama zobetcha zotsatira kufika pa zirogudumuZiroKabowo kamodzi kobiriwira kamene betcha la even-money, dazeni kapena mzati siliphimba; gwero la phindu la kasino. Imatchedwanso: ziro imodzi, 0.Werengani yonse →. Silisintha zoyembekezeka zotayitsa za ku Ulaya.
Lamulo ndi malire
Gwiritsani ntchito betcha la even-moneybetchaBetcha la even-moneyZofiira/zakuda, osakhala awiriawiri/awiriawiri, okwera/otsika. Manambala 18, amalipira 1:1.Werengani yonse → lakunja ndi kuwonjezera kosaposa 1% ya ndalama zosewererandalamaNdalama zosewereraNdalama zonse zimene mwazisiyira masewera. Kusamalira ndalama zosewerera ndiko kusankha kuchuluka kwake komwe mungaike pachiopsezo pa betcha lililonse ndi pa gawo lililonse la masewera.Werengani yonse →: onjezerani kamodzi pambuyo pa kupambana ndipo chepetsani pambuyo pa kuluza. Uwu ndi mtundu wa D’Alembert yotembenuzidwa, kapena yabwino. Chifukwa kuluza kobwerezabwereza kukanafuna betcha la ziro kapena losakwana ziro, chitsanzochi chimagwiritsa ntchito malire otsikitsitsa a unitndalamaUnitNdalama zobetcha zoyambira zimene dongosolo kapena wosewera amagwiritsa ntchito. Maprogression amafotokozedwa mu ma unit kuti agwire ntchito pa tebulo lililonse.Werengani yonse → imodzi.
Tebulo la progression lolengezedwa
Yambani pa unit 1 ndipo musalole ndalama zobetcha kutsika pansi pa 1. Malire otsikitsitsa amapereka malire ofunikira kuti mzere upitirire pambuyo pa kuluza kobwerezabwereza.
Chitsanzo chowerengedwa
Betchani unit 1 pa zakudabetchaZakudaBetcha la even-money pa manambala 18 akuda. Mu Chifalansa: noir.Werengani yonse →. Kupambana kumakweza betcha lotsatira kufika pa 2; kupambana kwachiwiri kumalikweza kufika pa 3. Ngati betcha la ma unit 3 laluza, lotsatira ndi 2. Kuluza kwina kumalibwezera ku 1. Wosewera wapambana 1 + 2 − 3 − 2 = −2 pa mabetcha anayi omalizidwawo ngakhale anapambana poyamba, zimene zikuonetsa chifukwa chake dongosolo la ndalama zobetcha si umboni wobweza.
Mtengo ndi chiopsezo
Kuwonjezera pambuyo pa kupambana kumakulitsa kuluza kwa pambuyo pake, pamene kuluza kumachepetsanso ndalama zobetcha kulowera ku malire otsikitsitsa. Zimenezo zimasintha kusinthasintha ndi nthawi ya chiopsezo, osati phindu la kasino la ku Ulaya la even-money la 1/37 pa unit. Kuwonjezera kofotokozedwa ngati peresenti ya ndalama zosewerera kungaike malire pa betcha loyamba, koma sikungapangitse betcha lotayitsa kukhala lopindulitsa. Malire otsikitsitsa ndi malamulo a tebulo ayenera kutchulidwa musanadalire kufotokoza kulikonse kwa progressionnjiraProgressionLamulo lililonse limene limasintha ndalama zobetcha potengera zotsatira zakale. Maprogression olakwika amazikweza pambuyo poluza, abwino pambuyo popambana.Werengani yonse →.
Mafunso
Mayendedwe ake ndi a D’Alembert yotembenuzidwa: ndalama zobetcha zimakwera pambuyo pa kupambana ndi kutsika pambuyo pa kuluza.
Popanda malire otsikitsitsa, kuchotsa pambuyo pa kuluza pamapeto pake kumafuna betcha la ziro kapena losakwana ziro. Malire otsikitsitsa a unit imodzi amaletsa lamulo losathekali.
Nthabwala yopumitsa

Kupambana kawiri ndi kuluza kawiri, ma unit awiri pansi: mabetcha akuluakulu anabwera pambuyo pa kupambana.
Magwero
- RouletteDoc, “Contra Bet system” — lamulo lotchulidwa ndi kusamveka bwino kwake
- Roulette77. Kufotokoza kwa njira ndi zitsanzo.
- Wizard of Odds, D’Alembert Betting System — nkhani ya D’Alembert wamba
- Wizard of Odds, The Truth about Betting Systems