Ingendo ya Contra Bet muri Ruleti
Contra Bet ni itegeko risa na D’Alembert ihindukiranye: ongerako igice kimwe inyuma y'itsinzi kandi ukureko kimwe inyuma y'igihombo.

Urugero rwo hasi rw'igice kimwe rutuma itegeko rishobora gukurikizwa igihe ibihombo bisubiramwo vyotuma amahera y'itego akurikira aba zeruuruzigaZeruAkazu kamwe k'icatsi kibisi kadapfukwa n'itego rya rimwe kuri rimwe, ry'umurwi canke ry'inkingi; ni yo soko y'inyungu ya kazino. Kandi bita: zeru imwe, 0.Soma vyose →. Ntihindura ivyitezwe bibi vy'uruziga rw'i Buraya.
Itegeko n'urubibe
Koresha itego rya rimwe kuri rimweitegoItego rya rimwe kuri rimweGitukura/cirabura, igiharwe/igiharuro, binini/bito. Inomero 18, riha 1:1.Soma vyose → ryo hanze, n'iyongerwa ritarenga 1% vy'amahera yo gukinishaamaheraAmahera yo gukinishaAmahera yose yashizwe ku ruhande yo gukina. Gucunga amahera yo gukinisha ni uguhitamwo ayo ushobora gushira mu kaga kuri buri tego no kuri buri gihe c'ugukina.Soma vyose →: ongerako iyongerwa rimwe inyuma y'itsinzi kandi ukureko inyuma y'igihombo. Ubu ni uburyo bwa D’Alembert ihindukiranye, canke yemeza. Kubera ko ibihombo bisubiramwo vyoshobora gusaba itego rya zeru canke ritari munsi ya zeru, akarorero gakoresha urugero rwo hasi rw'igiceamaheraIgiceAmahera y'itego y'ishingiro uburyo canke umukinyi akoresha. Iyongerekana ridondorwa mu bice kugira ngo rikore ku meza ayo ari yo yose.Soma vyose → kimwe.
Urutonde rw'iyongerekana ryavuzwe
Tangura ku gice 1 kandi ntiwemere ko amahera y'itego aja munsi ya 1. Urwo rugero rwo hasi rutanga urubibe rukenewe kugira ngo urukurikirane rubandanye inyuma y'ibihombo bisubiramwo.
Akarorero gaharuwe
Tega igice 1 kuri ciraburaitegoCiraburaItego rya rimwe kuri rimwe ku nomero 18 zirabura. Mu gifaransa: noir.Soma vyose →. Itsinzi yongereza itego rikurikira rikaba 2; itsinzi ya kabiri irishikana kuri 3. Itego ry'ibice 3 nirihomba, irikurikira ni 2. Ikindi gihombo kirisubiza kuri 1. Umukinyi yaronse 1 + 2 − 3 − 2 = −2 muri ayo matego ane yarangiye naho yari yabanje gutsinda, ivyo bikerekana igituma uburyo bw'amahera y'itego atari ivyemezo vyo kugarura ibihombo.
Igiciro n'akaga
Kwongereza inyuma y'itsinzi bituma ibihombo bikurikira biba binini, mu gihe ibihombo navyo bigabanya amahera y'itego bikayegereza urugero rwo hasi. Ivyo bihindura ihindagurika n'igihe ingorane ziza, si inyungu ya kazino ya 1/37 ku gice ku matego ya rimwe kuri rimwe y'i Buraya. Iyongerwa rivugwa mu ijana ry'amahera yo gukinisha rirashobora gushira urugero ku mahera y'itego ya mbere, ariko ntirishobora guhindura itego ribi ngo ribe ryiza. Urugero rwo hasi rugira iherezo n'amategeko y'ameza bikwiye gusobanurwa imbere yo kwizera insiguro iyo ari yo yose y'iyongerekanaingendo yo gutegaIyongerekanaItegeko ryose rihindura amahera y'itego hisunzwe ivyavuyemwo vyabanje. Iyongerekana rihakana riyongereza inyuma y'ibihombo, iryemeza inyuma y'itsinzi.Soma vyose →.
Ibibazo
Icerekezo cayo ni ico ca D’Alembert ihindukiranye: amahera y'itego yongerekana inyuma y'itsinzi kandi akagabanuka inyuma y'ibihombo.
Hatabaye urugero rwo hasi, gukurako inyuma y'ibihombo amaherezo bisaba itego rya zeru canke ritari munsi ya zeru. Urugero rwo hasi rw'igice kimwe rubuza ayo mabwirizwa adashoboka.
Agakuru ko gutwenga

Itsinzi zibiri n'ibihombo bibiri, ibice bibiri munsi: amatego manini yaje inyuma y'itsinzi.
Aho Twakuye
- RouletteDoc, “Contra Bet system” — itegeko ryavuzwe n'ugukemangwa
- Roulette77. Insiguro y'ingendo n'uturorero.
- Wizard of Odds, D’Alembert Betting System — ivyerekeye D’Alembert isanzwe
- Wizard of Odds, The Truth about Betting Systems