# Some Key Roulette Insights from the Expert

We asked the expert and received correct and succinct answers to the questions. You might be surprised to know who (or what) the expert is.

### Q. Explain roulette probabilities and theoretical returns

In the game of roulette, players place bets on where a ball will land on a spinning wheel. The wheel is divided into numbered pockets, with half being coloured red and half coloured black. There are also pockets for the numbers 0 and 00, which are coloured green.

The probability of winning a bet on a single number is 1 in 38 (or 2.63%) on an American roulette wheel and 1 in 37 (or 2.70%) on a European roulette wheel. The probability of winning a bet on a colour (red or black) is slightly better, at 18/38 (or 47.37%) on an American wheel and 18/37 (or 48.65%) on a European wheel.

The theoretical return to player (RTP) for a single number bet is (35 x your bet) / 38, or a payout of 35 to 1. The RTP for a color bet is (18 x your bet) / 38, or a payout of 1 to 1.

It’s important to note that the house always has an advantage in roulette, and the RTP will always be less than 100%. This is because of the green pockets for 0 and 00, which give the house an additional edge.

### Q. Do Roulette Systems work?

Roulette systems are methods for betting on the outcome of a roulette game that players use in an attempt to increase their chances of winning. However, it’s important to note that no betting system can change the inherent mathematical disadvantage that the player has against the house.

Some popular roulette systems include the Martingale system, in which players double their bet after each loss in an attempt to recoup their losses and make a profit. However, this system can lead to rapid and steep losses if a player has a losing streak, as the bets can quickly become very large.

Another popular system is the Fibonacci system, in which players use a sequence of numbers to determine the size of their bets. This system is intended to minimize losses by controlling the size of the bets, but it still can’t change the fact that the odds are against the player.

The truth is that any roulette system will eventually lose, because of the house edge. The only way to beat the game of roulette is to cheat, and that is illegal.

It’s important to remember that roulette is a game of chance and there is no guaranteed way to win. The best approach is to set a budget for yourself and to stick to it, and to have fun while playing.

### Q. What is Roulette Wheel bias?

Roulette wheel bias, also known as wheel bias or sector bias, is a phenomenon in which a roulette wheel is not perfectly random and certain numbers or sections of the wheel are more likely to come up than others. This can happen as a result of a mechanical defect or imbalance in the wheel, or from wear and tear over time.

Wheel bias can be identified by tracking the results of a large number of spins and comparing the actual outcomes to the expected probability. A biased wheel will have a statistically significant deviation from the expected probability.

Players can use this information to their advantage by betting on numbers or sections that are more likely to come up, or by avoiding numbers or sections that are less likely to come up. However, it’s important to note that identifying a biased wheel is extremely difficult and requires a large sample size of spins. Also, most casinos have strict regulations and checks in place to prevent roulette wheel bias and they regularly check their roulette wheels to ensure they are random and fair.

It’s also important to note that in the modern casinos, the electronic roulette wheels are more common, which are computer-controlled and are less prone to bias, these electronic roulette wheels use a random number generator to determine the outcome of each spin, which eliminates the possibility of bias due to mechanical issues.

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