D’Alembert Roulette Strategy

System Name: D’alembert
Method: A progressive system. You bet on the “even money” spaces on the table. That is RED, BLACK, ODD, EVEN, 1-18 or 19-36. You commence by betting 1 unit, and when you lose you add one unit to the bet. After every win, you subtract 1 unit from the bet. The series ends when you win on your last bet of 1 unit, as subtracting 1 unit will leave you with a zero bet. You then commence your next series with a 1 unit bet.

PROS: A very simple system to grasp and follow

The system is generally safer than the Martingale, because instead of doubling-up after a loss, you add a much more manageable one unit to the bet. Therefore the bets tend to stay at reasonable levels as opposed to Martingale and other higher factor progressive systems.

CONS: A long losing streak pushes the stakes up fairly high, sometimes they may even reach/exceed the house limit.

As with any progressive system it is absolutely essential to set a limit on the amount you are willing to bet, and the number of losing spins you can sustain. It is also important to set a winnings target and STICK TO THEM !! Treat losses as a cost of entertainment, and manage your betting wisely and within limits you are comfortable with.

EXAMPLE: Bet 10 Units on RED (e.g a unit could be $1 or $2, $5, etc)

ResultStakeBalanceStakeBalance
Red+10+10-10-10
Black-9+1+11+1
Red+10+11-10-9
Red+9+20-11-20
Red+8+28-12-32
Black-7+21-13-19
Red+8+29-12-31
Black-7+22+13-18
Black-8+14+12-6
Black-9+5+11+5
Red+10+15-10-5
Black-11+4+11+6

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