These rules change the house edge to 1.35% when they apply. The difference consists of two additional rules in effect when you place an outside bet and zero lands: in this case, your bet is either kept for an extra spin (En Prison) or returned in half amount (La Partage). Still, in the 19th century, as roulette was spreading quickly in America, it has not escaped American influence and obtained a new conventional number, the double zero, to make the house advantage even bigger while keeping the same payout schedule of the European roulette.įrench roulette keeps the same numbers, layout, and payout schedule as the European roulette.
Of course, this modification (made in the mid-19th century) was intended to favor the house, as the conventional number zero is not included in the outside bets (red, black, odd, even, etc.). The Zeros of RouletteĮuropean roulette adds a zero to the usual 36 numbers of the mother version invented by mathematician Blaise Pascal in the 17th century. Two versions have remained extremely popular today, European, and American roulette, followed by French roulette.
During its history, roulette has undergone some modifications to the wheel or table layout, including the number of numbers as its outcomes. Every classical game of chance has evolved in more or less popular versions over time, and roulette is not an exception.
