Triche dan roulet
Premie bann rou roulet manipile ti apartenir kazino. Zordi triche fer lor tapi pari, souvan avek led enn krupie, ek sak latab ki ena lisans konstrir pou atrap li.

Bann trisher roulet inn atak kat zafer: rou-la, konstrir pou dirize boul-la; pari-la, sanze apre rezilta; krupie-la, peye pou ede; ek logisiel-la, modifie pou peye. Rou manipile ti zouti kazino dan bann lakaz zwe ilegal 19em syek ek koumansman 20em syek; zordi bann kazino ki ena lisans verifie sak rou pou letimant avan ki enn latab ouver. Pari tardif, souvan pran par enn krupie koronpi, se seki bann tribinal trouve zordi. Lir enn rou ki ena defo ouswa enn boul ki kapav predir avek lizye pa triche; servi enn aparey pou fer li se enn krim dan Nevada.
De zafer diferan
Zwe avek lavantaz servi linformasion ki nimport ki dimounn ti kapav ranase, enn rou ki ena defolaboratwarRou ki ena defoEnn rou kot bann defo fizik fer serten kaz pli probab ki 1/37. Rar, ou kapav detekte li zis avek plizier milye tour ki finn note.Lir tou → ouswa enn boulekipmanBoulTi boul ki lanse dan simen-la dan sans kontrer rotor. Zordi bann boul an ivorine ouswa Teflon, 18–21 mm.Lir tou → ki kapav predir, ek parye lor la avan ki bann pari ferme. Triche o roulet sanz zwe-la: li azout lor enn pari apre ki rezilta-la kone, repran enn pari ki perdi, ouswa kasiet komie ki ti parye. Premie-la zeneralman legal, ek repons kazino-la se repar rou-la ouswa enterdir zwer-la. Dezyem-la se enn fraud. Dan Nevada, met ouswa sanz enn pari kan rezilta-la deza kone se enn delit par li-mem. Bann zwer Ritz an 2004 ti arete, ti relase, ek ti gagn zot larzan retour kan ka-la ti abandone; bann ki parye apre rezilta, zot poursiv zot.
Kat fason pou triche dan roulet
Kapav atak enn tour zis lor kat pwen: rou-la limem, pari-la kan rezilta-la kone, krupie ki regle bann pari, ek, lor bann masinn ek lor internet, logisiel ki pey zot. Kisannla ki triche inn sanze avek letan. Dan 19em syek, ti sirtou kazino. Zordi se sirtou bann zwer, souvan avek led enn krupie.
Rou roulet pou triche, 1890 ziska bann lane 1930
Pandan so premie syek Lamerik, dimounn malonet kot enn latab roulet ti zeneralman kazino. John Philip Quinn, enn ansien zwer ki ti sanz so lavi, ti dekrir bann aparey an 1890. Enn levie anba rou-la ti marse atraver enn lipie latab, fer enn tigit pli kourt ki lezot, pou ki krupie-la, kan li apiy lor la, sanz simen boul-la depi rouzpariRouzPari peman egal lor 18 nimero rouz. An franse: rouge.Lir tou → ver nwarpariNwarPari peman egal lor 18 nimero nwar. An franse: noir.Lir tou →. Lor enn lot rou, lamwatie separasion kazekipmanSeparasion kazSeparasion an metal ant de kaz lor rou-la.Lir tou →, bann separasion an metal ant kazekipmanKazEnn bann 37 konpartiman avek nimero lor rotor. Osi: slot, cup.Lir tou →, ti enn tigit pli o: akoz bann koler alterne, tourn boul-la dan enn sans ouswa lot ti favoriz rouz ouswa nwar, ek krupie-la ti swazir koler ki ti ena mwins larzan lor li. Enn trwazyem ti ena enn fo sant kot bann tizo ti pous bann pwent zegwi fin anler devan enn kaz lor de. Quinn ti reimprim katalog enn fourniser New York ki ti ofer bann rou “that can be made to come Red or Black, or High or Low Number, just as the dealer desires” (ki kapav fer sorti Rouz ouswa Nwar, ouswa Nimero Ot ouswa Ba, zis kouma krupie-la anvi). An 1912 li ti ekrir ki elektrisite ti metod popiler, avek fil ki mont dan enn lipie latab depi enn batri dan lakav, ek li ti sizere enn konpa lapos pou trouv li: zegwi-la boze kan kouran-la alime. National Museum of American History Smithsonian ena enn rou roulet manyetik bann lane 1930 fer Chicago: krupie-la ti alim so elektro-letimant avek enn bouton pou pous boul-la lwin bann nimero ki ti ena gro pari lor zot.

Kifer li difisil pou trafik enn rou ki ena lisans
Rou manipile ti apartenir bann lakaz zwe ki pa ti ena regilater. Dan enn kazino ki ena lisans, bann kontrol ekrir dan regleman. Seki New Jersey fer se enn bon egzanp: avan ki enn latab ouver, zot verifie rou-la pou letimant ek nimport ki lot aparey, pou nivo, ek pou ki li tourn lib ek regilie; zot pas boul-la lor enn letimant ouswa enn konpa, ek li pa gagn drwa ena okenn metal ditou; sak azisteman ekrir dan enn rezis, ek enn kouver ferme aklef met lor rou-la kan latab-la ferme. Boukou rou modern lir nimero gagnan avek kapter dan rebor ek avoy sak rezilta dan logisiel kazino-la, alor enn rou ki favoriz sertin nimero paret dan prop statistik kazino-la. Kazino-la osi pena okenn rezon pou pran sa risk-la. Enn rou enn sel zerorouZeroSel kaz ver ki okenn pari peman egal, douzenn ouswa kolonn pa kouver; sours lavantaz kazino. Osi: enn sel zero, 0.Lir tou → zis gard 2.70% tou seki parye, ek enn rou trafike ti pou fer li perdi so lisans.
Kouma detekte enn defo dan rou rouletLavantaz kazino dan roulet
Parye apre rezilta
Lark roulet klasik se parye apre rezilta (past-posting): glis enn zetonlarzanZetonEnn zeton ki reprezant enn montan fix, ki ou poze lor tapi pari pou fer enn pari. Osi: check.Lir tou → lor, ouswa anba, enn pari gagnan apre ki boul-la inn tonbe, ek apre reklam pemanlarzanPemanSeki enn pari gagnan rapporte, ekrir kouma “X kont 1” anplis miz ki retourne.Lir tou →-la. Bizin enn lekip. Enn mekanisien fer mouvman-la pandan ki krupie-la okipe, enn reklamer ki krupie-la zame trouv avan ramas larzan, ek enn gardien vey lasal ek anil kou-la avek enn sinyal lamin. Moman-la se peman-la limem, kan krupie-la tourne pou al rod zeton pou enn gagnan deor ek pa ena personn ki vey bann nimero andan pandan enn de segonn.
Richard Marcus
Marcus ti enn krupie dan Four Queens dan Las Vegas dan bann lane 1970 kan enn lekip ki parye apre rezilta ti rekrit li. Dapre so prop kont, li ti travay avek zot, apre li ti dirize so prop lekip, pandan apepre 25 an o roulet, craps ek blackjack, ek li ti aret ver 2000 san zame ki zot kondann li. So memwar 2003 dekrir version roulet-la. De zwer kouver trwazyem douzennpariDouzenn1–12, 13–24 ouswa 25–36, peye 2:1.Lir tou →, zeton par zeton, tour apre tour, ziska ki li sorti; pandan ki krupie-la pe pey douzenn-la, enn lamin glis enn zeton $100 anba enn pil gagnan lor enn sel nimero. Reklamer-la deza fer enn vre pari $100 lor enn sel nimero, alor lasal rapel li kouma enn zwer ki zwe sa nivo-la, ek mouvman-la vo $3,500. Pou gard tapi pariekipmanTapi pariGrij pari ki enprime lor latab. Osi: latab, feutre, tapi.Lir tou →-la okipe, sa kout lekip-la zis lavantaz kazinomatematikLavantaz kazinoPart sak miz ki kazino gard an mwayenn: 2.70% dan roulet eropeen.Lir tou → lor so bann pari kouvertir.

Savannah
Mouvman pli kone Marcus pa ti ditou enn pari apre rezilta. Avan tour-la li ti met enn zeton $5 lor enn zeton $5,000 lor enn pari deorpariPari deorEnn pari lor bann kaz otour grij-la: douzenn, kolonn ek pari peman egal.Lir tou →, gro zeton-la pouse ver deryer pou ki krupie-la trouv zis enn tipti pil. Si pari-la gagne, krupie-la trouv gro zeton-la ek pey li: $5,005 lor rouz, $10,010 lor enn douzenn. Si li perdi, Marcus ti lev pil-la avan ki krupie-la ramase, ek si dimounn kestionn li, li ti met de zeton $5 ki li ti deza kasiet dan so lamin; krupie-la, ki ti lir pari-la kouma $10, pa ti trouv nanye anormal. Sak pari gagnan ti vre ek sak pari ki perdi ti disparet. Rasonteman pli tar dir li ti rapor apepre $5 milion avan ki bann kazino aret pey li.
Travay depi andan
Laplipar triche roulet ki ariv devan tribinal zordi implik enn krupie. Metod abitiel se pari tardif: krupie-la les enn partner met ouswa azout lor enn pari apre ki boul-la inn tonbe, ouswa larg boul-la boner pou ki enn pari rant avan enn limit elektronik. Bann som rarman gran, ek bann ka zeneralman sorti o kler atraver kamera ki lor sak latab, ouswa atraver enn zwer ki kontinie gagne kot latab enn sel krupie.
Masinn ek logisiel
Roulet elektronik deplas sib-la depi bann zeton ver kod-la. Dan lete 2007, de konsiltan informatik dan enn group kazino London ti modifie so sistem pou ki bann terminal lor latab roulet an dirak inprim tiket gagnan, ki vo ziska £600 sakenn, nimport ki nimero ti sorti. Zot ti tous apepre £33,000 dan kat kazino, ti plede koupab vol ek ti gagn santans avek sirsi an 2010. Lor internet, risk pou enn zwer se enn operater san lisans, ki personn pa test so logisiel. Pou bann zwe ki ena lisans, nou pa finn trouv okenn konklizion enn regilater lor enn zenerater roulet trafike. Seki ariv devan tribinal se bann pann: an 2021 BetMGM ti anil seri enn zwer Michigan ki ti al depi $50 ziska apepre $3.3 milion lor enn zwe roulet lor internet, kouma enn erer logisiel, ek an 2025 Lakour Siprem leta-la ti les so pros kontinie. Enn erer ki kazino refiz peye se enn dispit lor enn kontra, pa enn prev ki zwe-la ti trafike.
Bann aparey, ek kot lalwa tras lalign
Predir boul-la pa enn triche par li-mem. Lir enn rou ki ena defo, kouma Joseph Jagger ek fami García-Pelayo ti fer, servi linformasion ki nimport ki dimounn ti kapav ranase. Lakour Siprem Espagn ti deside an 2004 ki bann García-Pelayo ti servi zot lintelizans ek enn ordinater, pa triche, ek ki solision kazino-la ti pou sanz so bann rou. Amenn ordinater-la ziska latab, se enn lot zafer. Nevada inn fer li enn krim pou servi ouswa ena nimport ki aparey konsevwar pou predir rezilta enn zwe ouswa analiz so bann probabilite, ek li trat sa kouma enn krim grav (felony) depi 1985. Gambling Act 2005 Grann-Bretayn fer triche enn delit ek dir ki li kapav konsiste an enn lingerans dan prosesis zwe-la; an 2017 Lakour Siprem Rwayom-Ini ti deside, dan Ivey v Genting, ki triche pa bizin malonet.

Ordinater rouletGonzalo García-Pelayo: so sistem rouletJoseph Jagger: so stratezi roulet Monte Carlo
Zistwar ki sak lartik lor triche repete
De zistwar paret lor paz apre paz lor bann trisher roulet, ek nou pa kapav trouv sours ni pou enn ni pou lot. Pierre Dugal, enn Franse ki dimounn dir ti trafik bann rou koumansman 19em syek ek ki so fam ti trayi, paret san dat, san kazino ek san prose. Monique Laurent, ki dimounn dir ti dirize enn boul telegide depi enn transmeter kasiet dan enn pake sigaret dan bann lane 1970, paret dan bann version ki pa dakor lor kazino-la, lor som-la, “5 milion fran” ouswa “$1 milion”, ek lor si zot ti zamem arete li. Nou pa finn trouv okenn zournal, dosie tribinal ouswa liv sa lepok-la pou ni enn ni lot. De lot afirmasion zis fos: ka García-Pelayo ti deside an Espagn, pa par Lakour Siprem Lamerik, ek Richard Marcus, dapre so prop kont ek lantretien pli tar, zame pa ti kondane.
Kouma kazino-la atrap sa
Laplipar rutinn enn krupie se protesion kont bann mouvman zeton lao. “Pa pli pariprosedirPa pli pariLapel krupie (ouswa mesaz lor lekran) ki ferm bann pari. Personn pa kapav poz, bouz ouswa tir zeton ankor.Lir tou →” ferm tapi pari avan ki boul-la tonbe. MarkorekipmanMarkorMarkor ki poze lor nimero gagnan lor tapi pari pandan ki bann pari pe regle.Lir tou →-la mark nimero gagnan, ek nanye lor tapi pa gagn drwa boze pandan ki li la. Bann zeton ki perdi ramase avan ki okenn gagnan peye, alor personn pa kapav repran enn pari ki perdi pandan peman-la. Enn krupie ki trouv enn zeton gro valer lor tapi-la anons li ar lasal, ek se pou sa ki reklamer Marcus ti met so vre gro pari an premie. Zeton kolerlatabZeton kolerZeton zis pou roulet, avek enn koler diferan pou sak zwer lor latab, ek enn valer ki fixe kan ou aste zeton. Osi: wheel checks.Lir tou →, enn koler par zwer, fer zeton enn etranze parete, ek kamera lao anrezistre sak peman pou revizion. Res kazino-la kouver lezot metod.
Seki sa vedir pou enn zwer ordiner
Dan enn kazino ki ena lisans, rou manipile apartenir listwar, ek bann trisher kot latab pe vol kazino-la, pa bann zwer ki kot zot. Okenn mouvman legal kot latab pa bat enn rou zis, ek nanye ki enn trisher roulet fer pa sanz kot pou personn lezot. De labitid gard enn zwer lwin sispision. Pa tous ou zeton pandan ki markor-la la, mem bann gagnan, akoz kan ou lonz lamin lerla, sa paret egzakteman kouma mouvman ki bann kamera la pou atrape. Ek refiz nimport ki krupie ki ofer ou led, akoz enn pari tardif pran kouma enn faver se mem krim ki enn ki aste. Lor internet, zwe zis kot ou kapav verifie lisans operater-la kot regilater. Enn zwe san lisans se sel plas kot enn zwer modern ti kapav trouv rou 1890.
Kestion
Non. Sanz enn pari kan rezilta-la kone se enn fraud partou kot zwe-la legal.
Dan Nevada, servi enn aparey koumsa enn krim grav depi 1985. Lot plas lalwa sanze; get Zwe avek lavantaz.
Zot ti kestionn li boukou fwa ek, dapre so prop kont ek lantretien pli tar, li zame pa ti kondane. Depi lerla li inn konseye bann kazino lor protesion zwe.
Sa inn deza arive: Smithsonian ena enn rou bann lane 1930 konstrir pou sa. Bann kazino ki ena lisans verifie pou letimant avan ki enn latab ouver, ek dan New Jersey boul-la pa gagn drwa ena okenn metal.
Poursit. Bann krupie ek zot partner inn kondane Lamerik, Nouvel-Zeland, Angleter ek Singapour.
Lamizman ar matematik
Esey rezoud zot ou mem avan. Sakenn solision kase; ouver li kan ou pare.
Enn lekip parye apre rezilta gard tapi pari-laekipmanTapi pariGrij pari ki enprime lor latab. Osi: latab, feutre, tapi.Lir tou → okipe kan li kouver trwazyem douzennpariDouzenn1–12, 13–24 ouswa 25–36, peye 2:1.Lir tou → sakenn tour lor enn rou amerikin: 4 zetonlarzanZetonEnn zeton ki reprezant enn montan fix, ki ou poze lor tapi pari pou fer enn pari. Osi: check.Lir tou → lor sakenn nimero 25 ziska 36 ek 20 zeton dan kaz douzenn-la. Ki li gagne kan douzenn-la sorti, ki li perdi kan li rate, ek komie latant-la kout?
Montre solision-la
Repons +136 zeton kan li sorti ek −68 kan li rate, alor an mwayenn lekip-la perdi 3.58 zeton par tour, 5.26% ordiner lor 68. Douzenn-la sorti apepre enn fwa sakenn 3.2 tour.
Sakenn tour 68 zeton al lor latab. Si enn nimero ant 25 ek 36 sorti, 4 zeton lor li gagn 35 kont 1 ek retourne avek zot miz: 144 zeton. Douzenn-la peye 2 kont 1 lor 20 zeton: 60 retourne. Sa fer 204 pou 68 mize, +136. Sinon tou 68 perdi.
Mwayenn: (12 × 136 − 26 × 68)/38 = (1,632 − 1,768)/38 = −3.58 zeton par tour, seki fer 5.26% lor 68. Douzenn-la sorti 12 fwa lor 38, enn fwa sakenn 3.2 tour an mwayenn.
Alor sa kouvertir-la pa kout lekip-la nanye plis ki lavantaz kazinomatematikLavantaz kazinoPart sak miz ki kazino gard an mwayenn: 2.70% dan roulet eropeen.Lir tou →, ek li aste seki manev-la bizin: enn rezon pou asiz lor latab, ek enn pemanlarzanPemanSeki enn pari gagnan rapporte, ekrir kouma “X kont 1” anplis miz ki retourne.Lir tou → pandan ki krupie-la get lot kote.
Rou Quinn 1890 avek separasion kazekipmanSeparasion kazSeparasion an metal ant de kaz lor rou-la.Lir tou → pli ot ti les krupie-la dirize boul-laekipmanBoulTi boul ki lanse dan simen-la dan sans kontrer rotor. Zordi bann boul an ivorine ouswa Teflon, 18–21 mm.Lir tou → ver rouzpariRouzPari peman egal lor 18 nimero rouz. An franse: rouge.Lir tou → ouswa nwarpariNwarPari peman egal lor 18 nimero nwar. An franse: noir.Lir tou →. Dir ki sa dirizaz-la marse zis enn fwa lor 18 tour ek ki lezot zis, lor enn rou doub zerorouZeroSel kaz ver ki okenn pari peman egal, douzenn ouswa kolonn pa kouver; sours lavantaz kazino. Osi: enn sel zero, 0.Lir tou →, ek ki krupie-la touzour diriz kont koler ki ou finn parye. Komie enn pari $10 lor rouz kout ou aster? Komie souvan dirizaz-la ti bizin marse pou kazino gard enn tier sakenn pari?
Montre solision-la
Repons Enn fwa lor 18 tour doub lavantaz kazino, depi 5.26% ziska 10.53%: $1.05 par pari olie $0.53. Pou gard enn tier sakenn pari, dirizaz-la bizin marse 8 tour lor 27, apepre 30% di tan.
Lor enn tour zis rouz gagn 18 fwa lor 38. Enn tour dirize zame gagne. Si dirizaz-la marse avek probabilitematematikProbabiliteSans enn rezilta, depi 0 ziska 1 ouswa depi 0% ziska 100%. Enn nimero: 1/37 = 2.70%.Lir tou → s, rouz gagne avek probabilite (1 − s) × 18/38.
Avek s = 1/18: (17/18) × (18/38) = 17/38. Pari-la gagn $10 avek sans 17/38 ek perdi $10 avek sans 21/38, enn mwayenn −$40/38 = −$1.05, seki fer 10.53% miz-la. Sif rou zis-la se −$20/38 = −$0.53, ouswa 5.26%.
Pou enn tier: pari-la vo 2p − 1 miz-la, kot p se sans gagne, alor 2p − 1 = −1/3 donn p = 1/3. Lerla (1 − s) × 18/38 = 1/3, alor 1 − s = 38/54 ek s = 16/54 = 8/27, apepre 29.6%.
Se pou sa ki enn rou manipile ti vo risk-la pou enn kazino malonet, ek kifer li ti kapav servi li enpe enpe: diriz enn tour lor diz-wit, zis kont pli gro pari, difisil pou trouve depi deor latab ek doub seki kazino pran.
tour dirizerouz gagnekazino gardokenn18 lor 385.26%1 lor 1817 lor 3810.53%1 lor 615 lor 3821.05%8 lor 271 lor 333.33%touzame100%
Enpe riye

Rou-la onet, alor se lor bann zeton ki tou lizye fikse.
Sours
- Marcus, R. American Roulette: How I Turned the Odds Upside Down.
- CDC Gaming Reports. “Richard Marcus: from the wrong side of the casino tables to the right.”
- Goldman, N. Great Gambling Scams.
- Nevada Revised Statutes, sapit 465.
- Quinn, J. P. Fools of Fortune; or, Gambling and Gamblers.
- Quinn, J. P. Gambling and Gambling Devices.
- Bollman, M. Mathematics of the Big Four Casino Table Games: Blackjack, Baccarat, Craps, & Roulette.
- National Museum of American History. Rou roulet, H. C. Evans & Co., Chicago, bann lane 1930.
- New Jersey Administrative Code.
- Federal Bureau of Investigation, New Orleans. “Leader of conspiracy to defraud L’Auberge Casino in Lake Charles sentenced in federal court.”
- Department of Internal Affairs, New Zealand. “Hamilton Casino cheats penalised.”
- Blackpool Gazette. “Croupiers jailed for casino scam.”
- The Register. “IT contractors convicted of UK casino hack scam.”
- Marraco, M. “‘Los Pelayos’ vencen al casino en la ruleta y en el Supremo.”
- Gambling Act 2005 (c. 19).
- Ivey v Genting Casinos (UK) Ltd.