Roulette (European)
Observation recorded. One zero, and the one most players reach for.
This entry examines roulette bets and wheel types. The method is simple: record the rules, measure the cost of each round and treat every result as random, because it is.

Figure: A roulette ball circling the wheel

Figure: Chips set out on a roulette betting layout
Here is the entry from the notebook. You place chips on the layout, the dealer spins and the ball drops into a numbered pocket. Any bet covering that number pays out according to the payout table. Results vary; your limits should not.
Note this in the lab book. 37 pockets: the numbers 1–36 and one zero. With only one zero, the house edge sits below the American wheel's.
| Bet option tested | Coverage (numbers) | Usual return |
|---|---|---|
| Straight Up (one number only) | 1 number only | 35:1 |
| Split (number pair) | 2 numbers side by side | 17:1 |
| Street (one-row bet) | 3 numbers in a row | 11:1 |
| Corner (block) | 4 numbers in a block | 8:1 |
| Six Line (double row) | 6 numbers over two rows | 5:1 |
| Dozen or column | 12 numbers at once | 2:1 |
| Even-money bets: Red/Black, Odd/Even, 1–18/19–36 | 18 numbers at once | 1:1 |
The house edge is roughly 2.70% on a single-zero wheel and 5.26% on a double-zero wheel. These figures follow standard rules and can change between providers and tables, so check each game's info panel. Cross-check this note against the full document.
Observation recorded. One zero, and the one most players reach for.
Method first, conclusions later. Brings in a double zero.
Variables noted. A physical wheel and dealer, shown live.
variant description
Under controlled conditions, the rule reads like this. Opt for a version and look over the limits. Stop the trial when the limit is reached.
The protocol is short. Decide what each chip is worth.
Write down what is known and what is not. Tap the layout before bets close.
Record the conditions before the trial. Winning bets are paid out by themselves.
Here is the entry from the notebook. Each spin stands on its own. The earlier results on screen don't make any number likelier next time. Conclusion: understand the rules before risking money.
Method first, conclusions later. Systems such as Martingale or D'Alembert change your stake sizes, not the odds, and can lead to heavy losses. Keep to a fixed budget.
Keep the sample in perspective. European roulette: a single zero means a lower house edge than double-zero wheels.
roulette minimum and maximum bets
game fairness / RNG certification details (only if verified)
roulette bonus eligibility and wagering contribution
ConclusionEvery trial costs money. Decide the maximum before you start, and treat any account as a tool for entertainment only. Participants must be 18+.