The basic game rules were formed in the middle of the 19th century. At first glance, the rules of casino roulette seem simple. The player's task is to place the chips in such a way that the selected sections of the table coincide with the characteristics of the drawn number. It can be a specific number, its properties (color, even or odd), belonging to a certain group.

The game begins with the fact that all its participants place bets. For this, chips of different denominations and a playing field in the form of a table are used. Then there is a spin, after which the winning number becomes known. The winners are paid out and the game starts again. This principle is used in all versions, and the differences are as follows:

Odds and limits.

• Types of rates.
• The cost of the chips.
• Additional rules apply.
• The level of return and advantage of the casino.

Roulette math

The game obeys mathematical laws. The main pattern is simple. The more numbers the bet covers, the higher the chances of winning, but the smaller the multipliers. In order to play roulette correctly and win often, it is important to consider the probability indicators. The classic playing field has the shape of a rectangle. It has numbers and inscriptions that can be made in English or French. There are versions that use an additional oval track. Initially, it was used in the French version, but gradually began to appear in the European one. With its help, players make oral bets on different groups of numbers.

Equal chances

Rates on equal chances are those in which the probability of winning is about 50%, or rather from 47.3% to 48.6%. They may have two options for action. This category includes the following varieties:

• Even and odd.
• Red black.
• More or less.

Each of them covers in 18 sectors. At such a probabilities, many game strategies and additional rules for grain are built.

More or less covers the numbers from 19 to 36 and from 1 to 18, respectively. Winning - 1 to 1. The same or odd is paid in the same way. In the first case, the player puts on all the numbers of multiples to two, and in the second on those who are not divided into 2.

Colors
Red and black are one of the clearest bets. It is the basis of many strategies, it gives a high chance of winning. The player places chips on the Red or Black board. Installation on both of them at the same time is allowed. If the selected color coincides with the drawn one, the user receives a payout with a coefficient of 1 to 1.

Risky bets
Players who succeed in guessing the number can count on the largest payouts. The coefficient in this case is 35 to 1, but the chances are small - from 2.6% to 2.73%. Bets on one number or groups from 2 to 6 are called domestic. The rest are categorized as external. They are made into sections located along the perimeter of the playing field.

Split
A pair or split is two adjacent numbers on the playing field. The chip is placed on the line separating them. The payoff is 17 to 1, and its probability is from 5.2% to 5.5%, depending on the version.

For 3 rooms
Three numbers or a row are three numbers vertically adjacent. It is paid at a ratio of 11 to 1. The odds of winning are 7.89% in the American version and 9.3% in the European version. Another name for this bet is street.

Square
A corner or square is made for four adjacent numbers. If the user wins, he gets payments with a multiplier of 8 to 1. The odds are from 10.5% to 10.8%.

6 numbers
The bet is placed on two adjacent rows of 3 numbers each. In case of a win, the odds are 5 to 1, and its probability is from 15.7% to 16.2%.

12 numbers
Chips are placed on a rectangle that consists of 12 adjacent numbers. The payout is calculated as 2 to 1. The chance of winning in this case ranges from 31.5% to 32.4%.

Per column
The bet covers 12 numbers in a row. The winning ratio is 2 to 1 and the odds are between 31.5% and 32.4%.