Rulɛt: bɛt we yu sprɛd ɛn kɔba yusɛf

Di aydia biɛn wan rulɛt stratɛji fɔ kɔba yusɛf

Wan pleya bɛt pan rɛdbɛtRɛdIvin-mɔni bɛt pan di 18 rɛd nɔmba. Na Frɛnch: rouge.Rid ɔl →, bɔt i de wɔri fɔ di blakbɛtBlakIvin-mɔni bɛt pan di 18 blak nɔmba. Na Frɛnch: noir.Rid ɔl → nɔmba dɛn na di tɔd kɔlɔmbɛtKɔlɔmTwɛlv nɔmba na wan kɔlɔm we tinap na di bɛt tebul, i de pe 2:1.Rid ɔl →, so i put wan chipmɔniChipTokɛn we min wan sɛt mɔni; yu put am na di bɛt tebul fɔ mek bɛt. Dɛn kin kɔl am bak: check.Rid ɔl → de bak: naw 26 nɔmba de win sɔntin. Ɔda pleya bɛt pan tu dɔzinbɛtDɔzin1–12, 13–24 ɔ 25–36, i de pe 2:1.Rid ɔl → ɛn i ad zirowilZiroDi wan grin pɔkit we nɔ ivin-mɔni, dɔzin ɔ kɔlɔm bɛt nɔ kɔba; na usay di kasino advantej kɔmɔt. Dɛn kin kɔl am bak: wan ziro, 0.Rid ɔl → fɔ insurans. Ɔda wan, na wan ɛgzampul we ɔlman sabi, bɛt pan rɛd ɛn blak togɛda. Ɛni wan pan dɛn tin ya de kɔba mɔ pat pan di wil ɛn i kin fil lɛk se yu de ridyus di denja. Fɔ variansmatematiksVariansWan mɛzhɔ fɔ aw di rizɔlt dɛn sprɛd rawnd di valyu we fɔ ɛkspɛkt. I ay fɔ bɛt pan wan nɔmba, i lɔ fɔ ivin-mɔni bɛt.Rid ɔl →, i tru; bɔt fɔ di lɔs we fɔ ɛkspɛktmatematiksLɔs we fɔ ɛkspɛktValyu we fɔ ɛkspɛkt tɛm ɔl di mɔni we yu bɛt; di avrej mɔni we yu de lɔs insay wan sɛshɔn ɔ wan tɛm.Rid ɔl →, yu de pe fɔ sɛkɔn bɛt.

Di kɔnt

Valyu we fɔ ɛkspɛktmatematiksValyu we fɔ ɛkspɛktDi avrej rizɔlt fɔ ɛni bɛt if yu ple lɔng tɛm. −1/37 fɔ di bɛt mɔni fɔ ɛni nɔmal Yuropian bɛt.Rid ɔl → de ad togɛda. Rɛd na −1/37 pan in bɛt mɔni; di kɔlɔm chip na −1/37 pan in bɛt mɔni; togɛda dɛn na −1/37 pan ɔl. Di kɔba dɔn bay mɔ win tɛm ɛn smɔl nɛt pemɔniPeWetin bɛt we win de gi yu, dɛn de tɔk am as “X to 1” ɔn tɔp di bɛt mɔni we kam bak.Rid ɔl → fɔ ɛni win, ɛgzakli na di fɛr rɛt, mayn 2.70%. Di Bet Builder tul de sho ɔl 37 rizɔlt fɔ ɛni sɛt chip, ɛn i de sho di distribyushɔn ɛn di EV (we nɔ de chenj).

Rɛd ɛn blak

Dis na di ɛnd fɔ di rod. Ɛni spin pas ziro de gi yu bɛt mɔni bak; ziro de lɔs di tu. Di valyu we fɔ ɛkspɛkt na −2.70% pan ɔl, ɛn yu nɔ go win natin. Na di wan rulɛt miks we nɔ gɛt ɛni yus atɔl, ɛn pipul de ple am mɔ pas aw yu go tink, bɔku tɛm pɔsin we de kɔba wan sistɛm na di midul fɔ di sakul.

Wan sistɛm we gɛt nem: Bohemia (1959)

Na 1959, di Kuba magazin Bohemia print wan sistɛm we John Scarne bin tɔk bɔt leta ɛn sho se i nɔ de wok: wan yunitmɔniYunitDi bes bɛt mɔni we sistɛm ɔ pleya de wok wit. Dɛn de ɛksplen prɔgrɛshɔn wit yunit so dat i go wok na ɛni tebul.Rid ɔl → pan blak ɛn wan pan di tɔd kɔlɔm, we gɛt et rɛd nɔmba ɛn jɔs fɔ blak wan (6, 15, 24, 33). Di wan dɛn we bin de sɛl am bin prɔmis prɔfit fɔ 4 yunit fɔ ɛni 38 spin pan wil wit dɔbul ziro; if yu kɔnt am tru tru, di sem wil de gi lɔs fɔ 4. Kɔnt di rizɔlt dɛn pan Yuropian wil. Blak nɔmba na di tɔd kɔlɔm de win di tu bɛt, +3; rɛd wan de win di kɔlɔm ɛn lɔs blak, +1; ɛni ɔda blak de win blak ɛn lɔs di kɔlɔm, 0; di ɔda tɛn rɛd ɛn di ziro de lɔs di tu, −2. Fɔ 37 spin, dat na 12 + 8 + 0 − 22 = −2 yunit pan 74 we yu bɛt, 2.70%, lɛk ɛni ɔda miks. Di sistɛm de win ɔ nɔ win nɔ lɔs pan 26 spin pan 37, ɛn na dat mek i bin luk lɛk sɔntin we gɛt sɛns. Bollman (2024) ad wan tri-tu kayn, 3 yunit pan blak ɛn 2 pan di kɔlɔm, fɔ di sem prayz.

Fɔ kɔba wan prɔgrɛshɔn

Pleya dɛn we dɔn go fa na MartingalestratɛjiMartingalePrɔgrɛshɔn we de dɔbul di bɛt afta ɛni lɔs. Luk di Stratɛji pat fɔ si wetin i de du ɛn wetin i nɔ de du.Rid ɔl → kin sɔntɛm sheb di big bɛt pan rɛd ɛn wan dɔzin, ɔ ad ziro, fɔ “protɛkt” am. Di protɛkshɔn de kɔst 2.70% pan insɛf ɛn i de chenj wish rizɔlt go mek di sakul kam bak. I nɔ de chenj di prɔbabilitimatematiksPrɔbabilitiDi chans fɔ wan rizɔlt, frɔm 0 to 1 ɔ frɔm 0% to 100%. Wan nɔmba: 1/37 = 2.70%.Rid ɔl → se di sakul go ɛnd bad; i de chenj aw bad, na di tu sayd. Rul fɔ stɔp nɔ kɔst lɛk dat, ɛn i de wok.

We di patɛn kɔst mɔ: wan dila in sɛkta sistɛm

Pan wil wit dɔbul ziro, wan kɔba kɔst mɔ pas di ɔda dɛn. Bollman (2021) tɔk bɔt wan sistɛm we wan dila na Las Vegas bin advays, fɔ tu sɛkta pan di Amɛrikan wil: di et pɔkitikwipmɛntPɔkitWan pan di 37 smɔl ples dɛn wit nɔmba pan di rotɔ. Dɛn kin kɔl am bak: slot, kɔp.Rid ɔl → 2, 0, 28, 9, 26, 30, 11, 7 ɛn, na di ɔda sayd, 1, 00, 27, 10, 25, 29, 12, 8. Pan dat wil, di tu sɛkta jɔs fɔdɔm insay blɔk dɛn pan di bɛt tebulikwipmɛntBɛt tebulDi bɛt grid we dɛn print pan di tebul. Dɛn kin kɔl am bak: tebul, felt, klɔt.Rid ɔl →, so tri chip de kɔba dɛn: wan pan di fayv-nɔmba bɛt (0, 00, 1, 2, 3), wan pan di siks lainbɛtSiks lainSiks nɔmba na tu rɔw we de nia wan ɔda, i de pe 5:1. Na Frɛnch: sixain.Rid ɔl → 7–12 ɛn wan pan di siks lain 25–30. Dat na 17 nɔmba, di tu sɛkta ɛn 3, fɔ tri chip. Di prɔblɛm na di fɔs chip. Di bɛt tebul nɔ gɛt bɛt pan 0, 00, 1 ɛn 2 nɔmɔ, ɛn di fayv-nɔmba bɛt na di wan Amɛrikan bɛt we kɔst 7.89% ɛn nɔto 5.26%. I de pul di wan ol patɛn to −7/38 pan wan yunit pan 3 yunit we yu bɛt, 6.14%. Pan Amɛrikan tebul, ɛni kɔba we nɔ gɛt di fayv-nɔmba bɛt kɔst 5.26%; dis wan kɔst mɔ bikɔs i gɛt am insay.

Rulɛt dila kin em nɔmba? Di lay-lay tɔkAmɛrikan rulɛt wil ɛn rul dɛn

Wetɛm kɔba gɛt sɛns

We na di shep yu want: yu de win bɔku tɛm fɔ wan lɔng, kwayɛt sɛshɔn, ɛn yu ɔndastand se di prayz nɔ chenj. Di James Bond kɔba ɛn di tu-dɔzin ple na ɔnɛs we fɔ kɔba pan rulɛt. Di wan we nɔ ɔnɛs na ɛni smɔl buk we se wan kɔba patɛn “nɔ go lɔs”; di kɔnt se ɛni patɛn de lɔs 2.70% pan wetin i bɛt.

Kwɛstyɔn dɛn