D’Aalembert Roulette Strategy System

The D’Aalembert Roulette Strategy System - what is it and how does it work?

What is the D’Aalembert Roulette Strategy System?

The D'Alembert Roulette Strategy system is a safer roulette strategy than the Martingale or Reverse Martingale systems. Unlike the Martingale strategies, the D'Alember Roulette Strategy System System works by increasing and decreasing bets by 1 instead of doubling.

How does the D’Alembert Roulette Strategy System work?

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  • Step 1: Find a roulette table with a small minimum bet and a large maximum bet.
  • Step 2: Place a small bet on Red or Black; Odd or Even; or 1-18 or 19-36
  • Step 3: If you lose, increase your bet by £1/$1
  • Step 4: If you win, decrease your bet by £1/$1
  • Step 5: When you have had at least as many wins as losses, walk away. If you're on a losing streak, keep going until your wins match your losses. If you're on a winning streak, keep playing until your wins match your losses.
  • Step 6: When you have an equal number of wins and losses, collect your winnings and walk awak.

So what does that look like in real terms?

So how does the D’Alembert Roulette Strategy System look on paper? Well, provided you hit the same amount of wins as losses, you will always come out on top. The chart to the right here shows this in practice.

  • Starting with £40, you make an initial wager of £10 and lose.
  • Because you lost, you increase your wager to £11. Again, you lose this.
  • You increase your wager to £12, winning £24 and bringing your bank back up to £31
  • You won the last bet, so you decrease your wager to £11 and win again, giving you £22 bringing your bank up to £42 with £2 profit.
  • Note that you have an equal number of wins and losses (2 wins, 2 losses).
Position Wager Outcome W/L P/L Bank
(Open £40)
RED £10 LOSE -£10 -£10 £30
RED £11 LOSE -£11 -£21 £19
RED £12 WIN +£24 -£9 £31
RED £11 WIN +£22 +£2 £42

Tips and Risks of the D'Alembert Roulette Strategy System

Of course, this strategy does not come without it's risks. It's easy to think that because the last 10 spins have been black that the next one is red, this is not the case. Every spin is random, and it has just as much chance of landing on red as it did on the previous spin.

The odds on this system are just under 50/50. It's not exactly 50/50 because of the 0 and 00. To give yourself an additional edge, avoid european tables that have the 00. American roulette tables usually only have a single 0, giving you better odds

This roulette strategy system works by ensuring you have an equal number of wins vs losses. It's important you keep track of this to make sure you end with the same amount of wins as losses, not doing so can cause you to get into trouble and not know where you are.

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