Lisu le-Contra Bet ku-roulette
I-Contra Bet ngumtsetfo lofana ne-D’Alembert lephambene: engeta liyunithi linye ngemuva kwekuwina bese ususa linye ngemuva kwekulahlekelwa.

Umkhawulo wangaphansi weliyunithi linye wenta umtsetfo usebenteke nangabe kulahlekelwa lokuphindzaphindzwako bekungehlisela linani lelilandzelako ku-licandzalisondvoLicandzaUmgodzi munye loluhlata longambonjwa kubheja lokulingana nemali, kwelidazini noma kwelikholamu; umtfombo wenzuzo yelikhasino. Kuphindze kutsiwe: licandza linye, 0.Fundza konkhe →. Akuguculi linani lelilindzelekile laseYurophu lelingemuhle.
Umtsetfo nemkhawulo
Sebentisa kubheja lokulingana nemalikubhejaKubheja lokulingana nemaliLokubovu/lokumnyama, lengalingani/lelinganako, phansi/etulu. Tinombolo letingu-18, kukhokha 1:1.Fundza konkhe → kwangephandle ngesengetelo lesingengci ku-1% wemali yekubhejaimaliImali yekubhejaImali yonkhe lebekelwe kudlala. Kuphatsa imali yekubheja kusho kunquma kutsi ungafaka engcupheni lengakanani kuko kubheja ngakunye nakuyo iseshini ngayinye.Fundza konkhe →: enyusa ngesengetelo sinye ngemuva kwekuwina bese wehlisa ngemuva kwekulahlekelwa. Lena yinguculo ye-D’Alembert lephambene, noma ngemuva kwekuwina. Ngoba kulahlekelwa lokuphindzaphindzwako kungadzinga kubheja kwelutfo noma lokungaphansi kwelutfo, sibonelo sisebentisa umkhawulo wangaphansi weliyunithiimaliLiyunithiLinani lelibhejwako lelisisekelo luhlelo noma umdlali lasebenta ngalo. Kwenyuswa kwelinani kuchazwa ngemayunithi kute kusebente kunoma ngumuphi litafula.Fundza konkhe → linye.
Lithebula lekwenyuswa kwelinani lelishiwo
Cala ngeliyunithi la-1 futsi ungavumeli nanini linani lelibhejwako kutsi libe ngaphansi kwa-1. Umkhawulo wangaphansi uniketa umngcele lodzingekako kute luchungechunge luchubeke ngemuva kwekulahlekelwa lokuphindzaphindzwako.
Sibonelo lesisebentako
Bheja liyunithi la-1 kulokumnyamakubhejaMnyamaKubheja lokulingana nemali etinombolweni letingu-18 letimnyama. NgesiFulentji: noir.Fundza konkhe →. Kuwina kwenyusa kubheja lokulandzelako kube ngu-2; kuwina kwesibili kukwenyusa kube ngu-3. Nangabe kubheja kwemayunithi la-3 kulahlekelwa, lokulandzelako ngu-2. Kulahlekelwa lokunye kukubuyisela ku-1. Umdlali uwine 1 + 2 − 3 − 2 = −2 kuloku kubheja lokune lokuphelile nanoma bekunekuwina kwekucala, lokukhombisa kutsi kungani luhlelo lwemanani lelibhejwako lungesiwo bufakazi bekubuyisa.
Intsengo nengoti
Kwenyusa ngemuva kwekuwina kwenta kulahlekelwa lokulandzelako kube kukhulu, kantsi kulahlekelwa kuvame kunciphisa linani lelibhejwako kuye emkhawulweni wangaphansi. Loko kugucula kugucugucuka nesikhatsi sekubekwa engotini, hhayi inzuzo yelikhasino yaseYurophu yekulingana nemali lengu-1/37 ngeliyunithi ngalinye. Sengetelo lesishiwo njengemaphesenti emali yekubheja singakhawulela linani lekucala, kodvwa angeke senta kubheja lokungemuhle kube kuhle. Umkhawulo wangaphansi locacile kanye nemitsetfo yelitafula kufanele kushiwo ngaphambi kwekwetsemba nobe ngukuphi kuchazwa kwekwenyuswa kwelinanilisuKwenyuswa kwelinaniNoma ngumuphi umtsetfo loshintja linani lelibhejwako ngekuya kwemiphumela yangaphambilini. Kwenyuswa kwelinani ngemuva kwekulahlekelwa kulikhuphula ngemuva kwekulahlekelwa, kwenyuswa kwelinani ngemuva kwekuwina kulikhuphula ngemuva kwekuwina.Fundza konkhe →.
Imibuto
Indlela yayo yindlela ye-D’Alembert lephambene: emanani lelibhejwako ayenyuka ngemuva kwekuwina futsi ehle ngemuva kwekulahlekelwa.
Ngaphandle kwemkhawulo wangaphansi, kususa ngemuva kwekulahlekelwa ekugcineni kucela kubheja kwelutfo noma lokungaphansi kwelutfo. Umkhawulo weliyunithi linye uvimbela leso siyalo lesingenteki.
Lokuhlekisako

Kuwina kubili nekulahlekelwa kubili, emuva ngemayunithi lamabili: kubheja lokukhulu kwefika ngemuva kwekuwina.
Imitfombo
- RouletteDoc, “Contra Bet system” — umtsetfo lochaziwe nekungacaci
- Roulette77. Kuchazwa kwelisu netibonelo.
- Wizard of Odds, D’Alembert Betting System — simo se-D’Alembert lejwayelekile
- Wizard of Odds, The Truth about Betting Systems