The word “roulette” comes from the French language and it means “wheel”. There aren’t exact facts about the precedents of this game, but one of the most famous suppositions says that the game was invented by renowned scholar and philosopher Pascal. Some people even believe that the devil himself invented the game. However, it is a very original invention, some sort of wheel of fortune.
The roulette consists from a special wheel with holes for each of 37 numbers and the betting field for the players.
The roulette’s ball usually is made from ivory or Teflon, the ball is thrown from the roulette’s inner part. The elimination of the equal numbers apparition law is accomplished thanks to the way the wheel is made, the friction during the spinning is decreased. If the wheel has a physical defection, the professional croupier can throw the ball in a way that a defined number or sector will show off, but that is unusual. High quality roulette is a perfect random number generator.
Numbers are located on the wheel not in mathematical order, but they have their own order, like follows: 0, 32, 15, 19, 4, 21, 2, 25, 17, 34, 6, 27, 13, 36, 11, 30, 8, 23, 10, 5, 24, 16, 33, 1, 20, 14, 31, 9, 22, 18, 29, 7, 28, 12, 35, 3, 26.
Only 18 numbers are colored black: 2, 4, 6, 8, 10, 11, 13, 15, 17, 20, 22, 24, 26, 28, 29, 31, 33, and 35.
18 numbers are colored red: 1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, and 36.
Zero has no color.
All numbers are divided into red and black, 18 of them pairs, 18 odds, 18 low, 18 high. Bets can be done on any of those differences and they are called as follows:
1. Even chances bet: the winning chances are 18:19. The probability: 0, 4865. The prize is paid in a 1:1 ratio.
2. Straight bet: the winning chances are 1 to 36. The probability: 0, 0270. The pot in case of winning is paid in a 35:1 ratio. Chips are placed onto the field where the chosen number is written. In this case zero bet is allowed.
3. Split bet: the winning chances are 2 to 35. Probability: 0; 054. In case of win the prize is paid in a 17:1 ratio. The chip is placed in the line that divides two numbers. The combination zero and any other number from the first line: 0-1, 0-2, 0-3, bet is allowed.
4. Corner bet: winning chances: 4 to 33. Probability: 0,108. Winning prize is paid in an 8:1 ratio. The game piece is placed in between four numbers.
5. Street bet: in a transversal line three numbers. Winning chances: 3 to 34. Probability: 0,081. Winning prize: 11:1. The game piece is placed in the last vertical line from the right or left.
6. First four bet: transversal line plus zero – four numbers. Winning chances: 4 to 33. Probability: 0, 108. Winning prize: 8:1. The game place is placed in the corner between the first transversal line and zero.
7. Street including zero: the bet on zero and on two numbers from the first line (0-1-2 or 0-2-3) combination is possible. Winning chances: 3 to 34. Probability: 0, 081. Winning prize: 11:1. The game piece is placed in the corner between two numbers and zero.
8. Six-line bet: in two consecutive transversal lines are six numbers. Winning chances: 6 to 31. Probability: 0,162. Winning prize: 5:1. The game piece is placed in the corner between lines.
9. Dozen bet: the bet to any of the three dozens is possible: the first one (numbers from 1 to 12), the second one (numbers from 13 to 24), and the third one (numbers from 25 to 36). Winning chances 12 to 25. Probability: 0,324. Winning prize: 2:1. The game piece is placed on each dozen field.
10. Column bet: in each one of the columns are 12 numbers. The winning chances are 12 to 25. Probability: 0,324. Winning prize is paid in a 2:1 ratio. The game piece is placed on the field under the selected column.