It is based on a mathematical equilibrium theory devised by a French mathematician of the same name. As an example, we can examine the European roulette model, that is, roulette with only one zero.

Starting with an initial bet of, say, 1 unit, a loss would raise the next bet to 2 units. The American wheel house edge is He failed in this endeavour.

A large financial loss is certain in the long term if the player continued to employ this strategy. Voisins du Zero — One chip is placed on the following Splits: