Egzanp pa-a-pa: enn lasware $100 lor rouz
San dolar, zeton sink dolar, rouz sak tour, ek enn regleman pou arete. Tour par tour.

Enn lasware simile lor enn latab an dirak: ziska 60 tour $5 lor rouz avek enn bidze $100, enn limit pert $50 ek enn limit gin $50. Limit pert-la inn fini sesion-la o tour 36. Sesion-la montre kouma varyans paret an tan reel ek kifer regleman pou arete ti sel desizion ki ti konte.
Plan-la
Eski ena enn meyer stratezi roulet avek $100? Okenn pa bes pri mwayenn. Sa bidze-la se larzan ki nou kapav perdi; seki nou swazir se miz-la ek regleman pou arete. Miz $5, 5% bidze-la, sa donn nou apepre ven pari perdan dan lamin. Limit pertstrateziLimit pertEnn montan pert fixe davans kot ou aret sesion-la.Lir tou → a −$50 ek limit ginstrateziLimit ginEnn lobzektif profi fixe davans kot ou aret sesion-la.Lir tou → a +$50, desid aster. Pert atandimatematikPert atandiValer atandi miltiplie par total larzan ki ou parye; montan mwayen ki ou perdi lor enn sesion ouswa enn peryod.Lir tou → lor 60 tour se 60 × $5 / 37 = $8.11. Nou atann nou pou ale avek apepre $92, ek nou kapav nenport kot ant $20 ek $170 avek enn probabilitematematikProbabiliteSans enn rezilta, depi 0 ziska 1 ouswa depi 0% ziska 100%. Enn nimero: 1/37 = 2.70%.Lir tou → rezonab.
Tour 1–20
R N N R R 0 N R R N R N N N R R N R N R. Dis rouzpariRouzPari peman egal lor 18 nimero rouz. An franse: rouge.Lir tou →, nef nwarpariNwarPari peman egal lor 18 nimero nwar. An franse: noir.Lir tou →, enn zerorouZeroSel kaz ver ki okenn pari peman egal, douzenn ouswa kolonn pa kouver; sours lavantaz kazino. Osi: enn sel zero, 0.Lir tou →: +$50 − $45 − $5 = $0. Balans $100. Zero o tour 6 inn kout enn zetonlarzanZetonEnn zeton ki reprezant enn montan fix, ki ou poze lor tapi pari pou fer enn pari. Osi: check.Lir tou → ek, a 1/37, li ti enpe boner. Nanye isi pa extraordiner. Nou egal-egal apre ven tour.
Tour 21–36
N N N N N R N N R N N R N N N N. Sink nwar pou koumanse, trez an tou: trwa rouz, trez nwar, +$15 − $65 = −$50. Balans $50. Se sa kalite moman-la ki fer dimounn sanz zot pari, doub miz ouswa sanz koler. Probabilite ki 13 nwar ouswa plis sorti dan 16 tour pa ariv 1%; ti bizin ariv enn kikenn sa lasware-la. Nou dan pert $50 depi koumansman, limit pert-la deklanse o tour 36, ek nou leve.

Tour 37–60, san nou
R N R N, apre R R N R 0 R N R R N R R N N R R N R N R. Katorz rouz, nef nwar, enn zero: si nou ti reste, +$70 − $45 − $5 = +$20 ek enn balans $70 o tour 60. Trann-sis tour lor enn latab an dirak, se apepre 45 minit. Nou inn ale avek $50, dan pert $50, kont enn pert atandi −$4.86 pou 36 tour. Trez rouz, ven-de nwar, enn zero.
- p10 −$100
- p25 −$100
- medyann −$100
- p75 +$0
- p90 +$70
Seki finn arive
Nou inn pey apepre $5 pou 45 minit roulet, plis $45 move lisans. Trez rouz dan 36 tour, se byen anba 17.5 atandi, ek nef rouz mwins ki nwar fer −$45 avan zero. Se varyansmatematikVaryansEnn mezir lor kouma bann rezilta dispers otour valer atandi. For pou pari lor enn sel nimero, ba pou pari peman egal.Lir tou → ki finn desid lasware-la; se miz-la ek nonb tour ki finn desid pri-la; se limit pert-la ki finn desid kan li fini. Si nou ti reste, nou ti pou rekipere $20 ziska tour 60, me sa pa enn rezon pou reste: rekiperasion-la osi ti varyans, parey kouma seri nwar ki ti vinn avan.
Seki nou pa finn fer
Sanz miz apre enn pert (sa se enn progresionstrateziProgresionNenport ki regleman ki sanz miz-la dapre bann rezilta avan. Progresion negatif ogmant li apre pert, pozitif apre gin.Lir tou →, ek li fer total paryelarzanTotal paryeTotal larzan ki ou parye lor enn sesion ouswa enn peryod, ek bann gin ki ou reparye ladan. Osi: handle, action.Lir tou → monte). Sanz koler apre seri nwar (mem kot egzakteman). Reste plis ki 60 tour akoz nou ti “preske egal” (sa se limit pert-la ki pe renegosye). Parye lor douzennpariDouzenn1–12, 13–24 ouswa 25–36, peye 2:1.Lir tou → ki “pa ti ankor sorti” (mem lavantaz, lot form). Sakenn ladan ti pou sanz form lasware-la, me okenn pa ti pou sanz so pri atandi.
Kestion
Ven zeton dan lamin olie dis. Lasware-la dire pli lontan; pri par tour diminie par lamwatie.
Pert atandi $4.05 olie $8.11. Wi.
Sign nanye. Trez nwar dan sez tour arive apepre enn lasware lor 125.
Enpe riye

Miz-la ek nonb tour fixe pri-la. Rou-la fixe lambians.
Sours
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.