Alembert roulette strategy
At loss of the bet, the following bet on unit is more, than previous. At a win of the bet, the following bet decreases for unit. Bets on the given progression are made before reception of positive balance.
d'Alembert roulette strategy example:
|Your bet:||Roulette color:||Result:||Balance|
|1 on black||Red||-1||99|
|2 on black||Red||-2||97|
|3 on black||Black||+3||100|
|2 on black||Black||+2||102|