The “Contra D’Alembert” betting strategy is a system for playing against bookmakers that is the complete opposite of the method developed in the 18th century by French philosopher Jean D’Alembert.
It is aimed at increasing the bettor’s profits while reducing potential losses when placing bets on sporting results.
The Essence of the “Contra D’Alembert” Strategy
To do this, the player must first determine the size of the initial bet and then continue playing by increasing or decreasing it by one step. The step in this strategy equals the amount of the initial bet.
Pros and Cons of the Strategy
The “Contra D’Alembert” betting strategy has both positive and negative aspects.
Among the disadvantages are the low potential for large winnings, the need to analyze team or player performance statistics, and the time required to find suitable sporting events with odds in the optimal range.
The advantages include:
- The ability to select events from any sport in which the bettor is knowledgeable.
- A high probability of winning.
- No need to maintain a large bankroll to use this strategy.
How to Use the “Contra D’Alembert” Strategy
To successfully apply the “Contra D’Alembert” betting strategy, it is recommended to follow these steps:
- Select matches according to your preferred betting approach. The strategy works best for predicting results with odds ranging from 2.0 to 3.0. The type of bet (win, draw, total, handicap) may vary.
- Compile a line of selected sporting events.
- Increase or decrease your stake by one step after each win or loss.
Example of Using the Strategy
The player prepared a bankroll of $5 and decided to set the step size at $1. For betting, he chose football matches from the English Premier League.
Bet 1
The player selected the match Tottenham – Newcastle. Based on goal statistics between the “Spurs” and the “Magpies,” he placed $1 on Under 2.5 goals with odds of 2.20. The match ended in a 1–1 draw.
The bet won and brought the bettor $2.20.
Bet 2
The second wager was on the match Man City – Leicester. The player placed $2 on Under 2.5 goals with odds of 2.96.
he match ended 2–5. The bet lost.
Bet 3
The third bet was on the Fulham – Aston Villa game. The player placed $1 on an away win at odds of 2.32.
The match ended 0–3. The bet won and brought the bettor $2.32.
Final Result
As a result of all bets, the player made a profit of $0.52. The detailed calculation is shown in the table below:
| Bet Size | Bet Result | Delta |
|---|---|---|
| $1 | +$2.20 | +$1.20 |
| $2 | −$2.00 | −$2.00 |
| $1 | +$2.32 | +$1.32 |
| Final Result | $1.20 − $2.00 + $1.32 = $0.52 |
