Roullete, also known as Roulette, is a casino game of chance. The object of the game is to predict where the ball will land on the Roulette wheel. Players place bets by laying down chips on a betting mat, with the precise location of the chip indicating the type of bet. The number of chips required to “complete” a bet is determined by its position on the Roulette table and payout odds are based on the probability of the bet. Bets that are placed on numbers, various groupings of numbers, odd or even, red or black and the first, second or third dozen are called “inside bets.” Bets on other sections of the Roulette table are known as “outside bets”.

The Roulette wheel consists of a solid wooden disk slightly convex in shape with a metal perimeter, containing thirty-six compartments numbered nonconsecutively from 1 to 36 and alternately painted red and black. A single green compartment, labelled 0, is located on European-style wheels; two additional green compartments labeled 0 and 00 are found on American-style tables.

Before a bet is made the dealer spins the wheel and drops the ball into one of the numbered pockets on the roulette table. If the bet wins the player receives the amount of the original bet plus winnings from any other bets that matched. If the bet loses, the player’s original stake remains with the dealer who may not request it to be returned.

There are a variety of gambling strategies for playing Roulette, but most involve combining bets in order to maximize the chances of winning and limit losses. Despite its simplicity, there are some systems that claim to improve the player’s chances of winning by exploiting flaws in the game. These include seeking rigged wheels and betting opposite the largest bets on the table.