When we will tell you about a roulette system called 20 by 20, all you have to do to better understand this game is divide roulette wheel into three sectors. Keep in mind that you should divide the wheel itself not the whole gambling table.
The main sector (13 numbers
The left sector (12 numbers)
The right sector (12 numbers)
The sector will vary for every dropped out number. Here is an example to better understand the principle of the game by the of 20 by 20 roulette system:
For example, the ball lands on sector 1. By the rules of this system, the main sector for 1 will have 13 numbers: 20, 14, 31, 9, 22, 18, 33, 16, 24, 5, 10 and 23. If you look at the roulette wheel, it's going to be sector 1 itself as well as six sectors to the right and to the left.
Here is how you place your bets in the 20 by 20 roulette system
Each bet is placed on the number of sectors that was in penultimate number for a latter dropped out. To better understand this here is an example.
Ball lands on sector 14 - we skip the bet
Ball lands on sector 32 - we place a bet on the left sector from 14
Ball lands on sector 16 - we place a bet on the right sector from 32
Ball lands on sector 19 - we place a bet on the left sector from 16
Ball lands on sector 34 - we place a bet on the right sector from 19
The size of the bets in the 20 by 20 roulette system is made using a certain progression:
You have to bet 2 chips on every number in the sector. If you won, you subtract a chip from the previous bet, if you lost, you add one chip. Each session with the 20 by 20 roulette system will lasts until you reach a surplus. After this you start a new session.