Let’s start with the pure statistic which is a good reason to understand your chances when you start online gambling. In spite of the fact that casino roulette is considered to be a chance game, everybody begins gambling with hope to play and WIN, i.e. everybody tries to count the chances to win or lose. No matter, online or offline roulette, casinos' chances are definitely higher than the gamblers' chances. It is explained at least by the betting system as casino pays your winning in correlation 35 to 1, but there are minimum 36 numbers on the roulette wheel plus one or two zeros. It means that you return a part of your pot to the casino (online - for using their online roulette software, offline - for being accepted as a client and other current services). The chances depend only on the roulette kind. American roulette and French roulette provide 5.26% casino advantage; European roulette guarantees a little bit better situation to a gambler - only 2.63% casino advantage. It allows counting that every bet is reduced up to 2.7%. Meanwhile, do not be upset as gambler's probability could be from 2% to 49% depending on the betting online roulette systems.

System is a scheme that defines the size of the next stake depending on the previous one. They define negative progression (increasing the stake after lost) and positive progression (increasing the stake after the winning spin).

A gambler is recommended to remember that every gambling roulette strategy or system pretends to lose in too long run. However, a gambler is able to break the rules and modify own system to gain more chances. Better outcome as a result of solid betting variation can be achieved either in every kind of roulette.
European and French roulettes are called single zero roulette, while American roulette is also referred as double zero roulette. Their double names are definitely official which is seen from roulette table layout.

French and European roulettes have 36 numbers and zero. All the numbers are defined in black and red, zero is colored green. The numbers are located on the table in three columns and twelve lines plus outer sectors 1st 12, 2nd 12, 3rd 12, 2 to 1, 19 to 36, odd, even, 1 to 18 and Zero. American roulette has 36 numbers, 0 and 00. The sectors are the same, but their location is different. On the top zero and double zero are placed. On the left dozens are put, then – 1 to 18, even, red, black and 19 to 36. On the bottom you can see 2 to 1, as well.

Before you make a decision to choose one of them, pay attention to the opportunity to play for free. Online casino provides you with a chance to play for virtual money, to check the systems and develop your skills. Free online roulette is one of the most exciting entertainments online on condition that they are available like download roulette online and no download roulette games.