Guess Di Edge
One combination of bets go show. Guess di house edge. Then di arithmetic of Bet Builder go show am, line by line.
Six rounds from pool of fourteen. European, American, French and mini tables; single bets and spreads. If you dey inside 0.1% you get 3 points, inside 0.5% you get 2, inside 1% you get 1.
Round 1 of 6
How we dey score
16–18: you dey do di arithmetic for your head.
11–15: you sabi di four numbers (2.70, 5.26, 1.35, 7.89) and when dem dey mix.
6–10: you sabi di European edge; di oda tables dey for di pages of Types of Roulette.
Under 6: read House EdgemathsHouse edgeDi part of each stake wey di casino dey keep for average: 2.70% for European roulette.Read di whole tin →, then Bet Builder. Di rule na one line: edge = −Σ(stake × EV) / Σ stake.
How di answer dey show
Each bet wey dey inside get im own expected valuemathsExpected valueDi average result for each bet for di long run. −1/37 of di stake for every standard European bet.Read di whole tin → for every dollar: (payoutmoniPayoutWetin bet wey win dey return, wey dem dey quote as “X to 1” on top di stake wey dem return.Read di whole tin → base − pocketsequipmentPocketOne of di 37 small boxes wey get number for di rotor. Dem also dey call am: slot, cup.Read di whole tin →) / pockets, wey be −1/37 for European table, −2/38 for American one, −1/13 for mini roulette, and −0.5/37 for even-money betsbetEven-money betRed/black, odd/even, high/low. 18 numbers, e dey pay 1:1.Read di whole tin → under la partageruleLa partageFrench rule: when zero come out, dem go return half of even-money stake. E dey cut di house edge for dose bets into half, to 1.35%.Read di whole tin →. Di American top line na di exception: e dey pay 6 to 1 on five numbers for −3/38. Multiply each one by im stake, add dem, divide by di total stake. Di Bet Builder tool dey do am for any spread wey you like.
Questions wey pipo dey ask
Becos every standard European bet na −1/37 of im stake, and if you add such bets togeda, e go be −1/37 of di total.
Di French mix. Even-money chipsmoniChipToken wey stand for one fixed amount, wey you put on top di layout to make bet. Dem also dey call am: check.Read di whole tin → dey for 1.35% and everytin else for 2.70%, so di answer dey sit for middle, weighted by stake.
Small laugh
Guess, then see di arithmetic.
Sources
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.