D'Alembert Roulette System

The D'Alembert roulette system is based on the even money bets and it applies the theory that over the course of a game you will get the same amounts of the even money bets.

When you have had more reds than blacks for example you then start betting on black. This could work the other way round or you could apply it to any of the other even money bets.

It uses a very simple progression after every loss increase your bet by one chip and after every win decrease it by one until you get back to zero. This will always result in a win if you can get back to the start.

There are however a few problems. The first is that if you go on a losing run when you start then your bets become large and it can become hard to get them back down, you basically end up going round in circles.

The other problem is the ever troublesome zero which never helps anything. The reverse Fibonacci roulette system is far more effective then the D'Alembert

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