Roulette Analytics
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Even Chance Stats
Analysis
Hot Numbers (Most Frequent)
Cold Numbers (Least Frequent)
Next Number Predictions
Dozens & Columns
Dozens
Columns
Roulette Variations
American Roulette
The Wheel
American Roulette features 38 pockets: numbers 1-36, 0, and 00. The numbers are arranged in a specific pattern alternating between red and black, with 0 and 00 in green.
Key Features
- Double zero (00) in addition to single zero (0)
- Numbers arranged in a different sequence than European roulette
- House edge of 5.26% on all bets except the five-number bet
- Five-number bet (0, 00, 1, 2, 3) with 7.89% house edge
House Edge
American Roulette has a house edge of 5.26% due to the presence of both 0 and 00. This means for every $100 wagered, the casino expects to keep $5.26 on average.
European Roulette
The Wheel
European Roulette features 37 pockets: numbers 1-36 and a single 0. The numbers are arranged in a specific pattern alternating between red and black, with 0 in green.
Key Features
- Single zero (0) only - no double zero
- Different number sequence than American roulette
- House edge of 2.70% on all bets
- Often includes special rules like "La Partage" or "En Prison"
House Edge
European Roulette has a house edge of 2.70% due to the presence of only a single 0. This means for every $100 wagered, the casino expects to keep $2.70 on average.
Roulette Rules & Strategy
Rules & Basics
Betting Options
- Straight Up: Single number (35:1)
- Split: Two adjacent numbers (17:1)
- Street: Three numbers in a row (11:1)
- Corner: Four numbers (8:1)
- Line: Six numbers (5:1)
- Dozens/Columns: 12 numbers (2:1)
- Even Chances: Red/Black, Odd/Even, High/Low (1:1)
Gameplay
Players place bets on the roulette table corresponding to their predicted outcome. The dealer spins the wheel in one direction and the ball in the opposite direction. When the ball lands in a numbered pocket, winning bets are paid according to the payout odds.
Special Rules
La Partage (European)
When the ball lands on 0, even-money bets lose only half their stake instead of the full amount.
En Prison (European)
When the ball lands on 0, even-money bets are "imprisoned" and carried over to the next spin. If the bet wins on the next spin, the original stake is returned.
Strategy & Tips
Bankroll Management
Set a budget before playing and stick to it. Divide your bankroll into sessions and never chase losses. The 5% rule suggests never betting more than 5% of your total bankroll on a single spin.
Betting Systems
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Martingale: Double your bet after each loss
Martingale SystemOne of the most famous betting systems where you double your bet after every loss, aiming to recover all previous losses with a single win.Pros: Simple to understand, can recover losses quickly during winning streaksCons: Requires large bankroll, hitting table limits can break the system, high risk of significant lossesExample: Bet $5 on red → lose → bet $10 on red → lose → bet $20 on red → win $20 (net: +$5)
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Fibonacci: Follow the Fibonacci sequence
Fibonacci SystemBased on the Fibonacci sequence where each number is the sum of the two preceding ones. After a loss, you move one step forward in the sequence; after a win, you move back two steps.Pros: Less aggressive than Martingale, slower progressionCons: Can still require substantial bankroll, complex to track during gameplaySequence: 1, 1, 2, 3, 5, 8, 13, 21... Bet 1 unit → lose → bet 1 unit → lose → bet 2 units → win → bet 1 unit
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D'Alembert: Increase/decrease bets by one unit
D'Alembert SystemA more conservative system where you increase your bet by one unit after a loss and decrease by one unit after a win.Pros: Less risky than Martingale, gradual progressionCons: Still requires a losing streak to end to show profit, can result in long sessionsStart with $10 → lose → bet $11 → lose → bet $12 → win → bet $11 → win → bet $10
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Labouchere: Use a sequence to determine bets
Labouchere SystemAlso known as the cancellation system. You create a sequence of numbers and bet the sum of the first and last numbers. If you win, remove those numbers; if you lose, add the amount lost to the end of the sequence.Pros: Can be customized with different sequences, provides clear profit targetCons: Complex to manage, long losing streaks can create very large sequencesSequence: 1-2-3. Bet 1+3=4 → lose → sequence becomes 1-2-3-4 → bet 1+4=5 → win → sequence becomes 2-3
Note: No betting system can overcome the house edge in the long run. These systems only change how you manage your bankroll and risk.
Common Practices
Many players track previous spins looking for patterns, though each spin is statistically independent. Some prefer betting on "outside" bets (even chances) for better odds, while others prefer "inside" bets for higher payouts.
History of Roulette
Roulette originated in 18th century France. The name means "little wheel" in French. The game was invented by the French mathematician Blaise Pascal while he was working on a perpetual motion machine.
The original French roulette wheel had both a single and double zero. In 1843, Francois and Louis Blanc introduced the single zero wheel in Germany to compete with other casinos, which created the European version of the game.
The American version with both 0 and 00 was developed in the early 19th century to increase the house edge and make the game more profitable for casinos in the United States.
Today, roulette remains one of the most popular casino games worldwide, with both American and European variations available in most casinos, along with electronic and online versions.
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