Mastering the Art of Winning Roulette Every Spin: Tips and Strategies for Gamers

Casinos love roulette because they see it as a game of chance. Outcomes are products of random events, allowing them to rig the table to win on average.
However, it doesn’t always work out that way in practice. While roulette involves some luck, it is possible to increase your odds of winning by adopting better strategies. Moreover, those who understand the underlying mathematics can sometimes beat the house.
Having said that, mastering roulette isn’t straightforward. It requires guile, razor-sharp comprehension of the underlying probabilities, and the ability to take occasional risks when the situation demands it.
Can You Really Beat Roulette?
Given the ubiquitous nature of roulette wheels in casinos, it is natural for any intellectual person to ask whether the game can be beaten. The answer depends on the house and the strategy you employ.
You can consistently win some roulette games but it depends on how the operator sets them up. Most European roulette wheels (with single zero) have a house edge of 2.7% while American tables with double zeros have a margin of 5.26% over players, meaning ultimately, most players lose.
For players who want to win money consistently, roulette games have two problems:
- The inherent randomness of the numbers generated by the roulette wheel
- The negative expected return
Casinos ensure the randomness of the wheel by pre-spinning it and then sending the ball in the opposite direction. This action creates inherent chaos, making it hard to predict where it will land. Furthermore, the house spins the wheel and places the ball in the wheel, meaning players can’t practice with at-home systems to feed balls to specific numbers.
Some roulette wheels also have randomness-enhancing features built into them. These include mechanisms in the wheel’s hub or features on the surface that make the ball more chaotic, preventing it from landing predictably in any single location.
This inherent randomness is what leads to the negative expected return. Players who play over many rounds expect to lose, a statistical fact that comes out of distribution theory.
Furthermore, each spin in roulette is independent of the last. That means using patterns isn’t an option. Even if the ball lands on red in round one, it has an equivalent chance of doing so in round two, and so on, regardless of play history. Most players don’t understand this mathematical reality, causing many to adopt the wrong strategy and believe that a change in color or number is coming, simply because of a string of opposite colors before. However, that isn’t how randomness or luck works in reality.
The most effective strategy in roulette is to identify some exploit that makes the expected return positive. Then, you can apply the Kelly Criterion – a mathematical equation – to determine the optimal size of your bets. If the probability of winning is high, and the losses are small, then betting large amounts in repeated trials makes sense. By contrast, if the odds of winning are low, then betting small multiples of your total cash makes more sense.
As a rule, you can only beat roulette if your chances of winning depend on skill or insight, similar to picking stocks. If you have a knack for choosing numbers or know where the ball will land for some reason, you can bypass randomness and start picking up gains over many games. You will still lose rounds (unless you have a perfect system) but overall, you will make money over the course of many rounds. However, you must be sure you have a strategy. If you don’t, then your odds of winning will reduce to the naive probabilities – and that’s not a good deal for you!
Mastering Roulette Strategies
So, what strategies are out there to win roulette? Let’s explore some.
Martingale Strategy
The Martingale strategy became popular in France during the 1880s as roulette was getting a foothold in the country. The idea is to double your bet after every loss to get back to even.
Mathematically, the Martingale strategy seems like it should work. If you double your bet after each loss, you always have an opportunity to return to your starting balance.
For example, suppose you start by betting $100 on red. If you win, you get $200 back – the original bet amount and the prize money. But if red doesn’t win, you lose the $100 and then bet $200 on red winning again.
If that second bet loses and the ball lands on black, then you bet $40, and so on. The idea is that eventually, you will return to the mean or “equilibrium” so you never lose.
The Martingale strategy is appealing because it is simple. You keep doubling your bet until you get back to your starting point where you can play again for a win.
Unfortunately, this approach doesn’t always work out in practice. While some players have success with it, many bump into table limits – the maximum amount the casino allows players to bet. Therefore, if you keep doubling your bets after losses, the casino might stop you from playing, forcing you to take the loss.
Another issue with this approach is the exponentially increasing risk of ruin. Each time you double your bet, you take a larger slice from your net worth, which you can eat up rapidly. For example, if you place a $10 bet, that number can grow to over $10,000 after just ten doublings. And while the chances of losing ten times in a row are small, they are not negligible.
Finally, the house still retains its expected “edge” of between 2.7% and 5.26% (depending on where you play the game) when using Martingale’s approach. As such, you can expect the absolute value of losses to accelerate as bets increase.
Fibonacci Strategy
The Fibonacci strategy is another option that involves increasing bets over time. The idea is to increase bets by a multiple of the sequence by one position after a loss and go back two steps after a win.
You can write down the Fibonacci sequence as the number that results from adding the two that precede it [1,1,2,3,5,8,13,21,34 …] Suppose you lose the first three rounds of a game of roulette. That would land you on number “2,” meaning you should double your bet. Then, if you lost, you would triple your bet, and then multiply it by 5 if you lose again. However, if you won that bet at 5, you would go back two positions in the sequence to 2 and only bet that amount.
The idea behind this method is to be less aggressive. It says that you don’t need to recover all your losses at once, but can rely on an algorithm to make them back over time.
However, the Fibonacci approach still has some of the problems associated with Martingale. It remains a progressive system, and the aggressiveness can increase exponentially after a long losing streak.
D’Alembert Strategy
You could also try the D’Alembert strategy, another popular approach used in roulette, based on the work of the French mathematician, Jean le Rond d’Alembert. He proposed the idea of scaling bets arithmetically, not geometrically.
For example, he suggests players:
- Place an initial bet of $100
- Increase the initial bet by “one unit” (e.g. $10) if losing
- Decrease the initial bet by “one unit” (e.g. $10) if winning
Suppose you win the first round. Under D’Alembert’s scheme, you would decrease your second bet to $90 and bet again. Then, if you won again, it would go down to $80, and so on.
D’Alembert’s idea is to enable players to recover their losses more cautiously and gain more steadily. After a win, he suggests anticipating a loss by reducing the betting amount, while suggesting the opposite after a loss (expecting a win).
This approach is inherently less risky than the Martingale or Fibonacci approaches since it doesn’t place as much strain on your bankroll. Gains are slower, but so too are losses, providing more opportunities to “average down” and avoid going “all-in” after a handful of rounds. D’Alembert’s strategy makes it more likely that your losses or wins will match the statistical average determined by the underlying roulette game. Usually, the house will win, but its gains will be lower than under alternative strategies suggested by Martingale.
The James Bond Strategy
Another approach is the so-called James Bond strategy. This approach involves covering a large segment of the table with a combination of bets. Usually, you would place bets on the high numbers first with a 1:1 payoff, then bets on 13 to 18 with a 5:1 payoff, and a single bet on zero with a 35:1 payoff.
This game increases the overall odds of winning (or not losing money) in any given round to two-thirds. However, it doesn’t eliminate the house advantage.
Beating the Odds: Professional Roulette Tactics
Conventional mathematical and probability-based approaches to beating roulette don’t work long-term because of the house advantage. However, other approaches exist that exploit the nature of roulette as a flawed physical system.
Wheel Bias Exploitation
Sometimes, it is possible that wheels exhibit bias, with the ball landing on specific numbers more than pure random chance would predict. Players can determine this by creating histograms of number frequencies, looking for outliers, and then placing bets accordingly.
This problem occurred in casinos throughout history, including the one at the Ritz in London. Gamblers noticed a trend and exploited it by placing outsized bets on specific numbers, thereby beating the house.
This approach can work today, but it requires a careful eye. Most modern casinos have sophisticated systems to detect and correct wheel bias before players can exploit it.
Visual Ballistics Analysis
Another approach is to wait for the dealer to release the ball and use visual ballistics analysis to calculate its likely trajectory. Players watch its speed and height along with the wheel’s spin to determine the most likely landing zone.
This approach works because roulette wheels rely on predictable physical laws. Systems must obey the rules of gravity and centripetal force.
However, getting this strategy right in practice is notoriously challenging. Players must practice for countless hours to build up an instinct for where the ball will land. And modern casinos implement countermeasures to prevent the guessing process, such as using random launch mechanics or randomly changing the speed at which the wheel rotates.
Computer-Assisted Ballistics Analysis
A final approach is to use computer-assisted ballistics analysis. This method involves using sensor equipment to detect the speed and rotation of the ball and wheel and using that information to determine a likely landing spot.
Again, however, this approach relies on players not getting caught and being able to collect useful data. Most casinos now have rules against using any form of computer system to determine the likely outcome of a roulette spin.
Secrets to Online Roulette Success

Winning online roulette still requires luck. However, several tactics can improve the odds and help you gain an advantage over the house in short games.
Set Limits
The first step is to set limits for how much money you will risk. Start by:
- Setting a budget for your deposit (say $100)
- Setting a winning threshold (say $500) when you walk away from the table
This approach limits your downside (you can only lose $100) and caps your upside, reducing the temptation to keep betting, even as you start losing money.
Use Even Money Bets
Even money bets have the highest chance of winning in roulette, so stick with these. Odd/even, high/low, and red/black have around a 48.65% chance of a positive outcome on a European roulette table (which is preferable to the U.S. version.)
Don’t Chase Patterns
Lastly, ignore patterns. Even if you see the same numbers cropping up, don’t assume the trend will continue. Online roulette games use advanced random number generators that create “white noise” and avoid patterns that might occur on poorly calibrated physical roulette wheels.
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