Strategy : D'Alembert
📖Description
Gentle progression based on the balance between wins and losses
🎬Watch it in action
See how EasyRoulette.pro guides you through this strategy in real-time
🎓How does it work?
The D'Alembert system is named after the French mathematician Jean le Rond d'Alembert (18th century). This strategy is based on the theory of natural equilibrium: in the long run, the number of wins and losses should balance out. Principle: Set a base unit (e.g., €5). After each LOSS, increase your bet by 1 unit. After each WIN, decrease your bet by 1 unit. The goal is to reach equilibrium where you have as many wins as losses. Example with €5 unit: - Starting bet: €10 (2 units) - Loss → €15 (3 units) - Win → €10 (2 units) - Win → €5 (1 unit) Important: NEVER go below 1 unit.
⚠️Important Warnings
⚠️ PROGRESSION TABLE (unit €5, starting at 2 units):
Loss 1: Bet €10 → Total lost: €10 → Next: €15
Loss 2: Bet €15 → Total lost: €25 → Next: €20
Loss 3: Bet €20 → Total lost: €45 → Next: €25
Loss 4: Bet €25 → Total lost: €70 → Next: €30
Loss 5: Bet €30 → Total lost: €100 → Next: €35
Loss 6: Bet €35 → Total lost: €135 → Next: €40
📊 COMPARISON: Gentler than Martingale (€135 vs €630 after 6 losses)
💡 REALITY: Recovery is SLOW - you need multiple wins to get back to even
💰 RECOMMENDED BANKROLL: 20x your base unit (€100 for a €5 unit)
💡Complete session example
Base unit: €5 | Starting bet: €10 (2 units)
| Spin | Bet | Result | Balance | Next action |
|---|---|---|---|---|
| 1 | €10 | ❌ Lost | -€10 | +1 unit → €15 |
| 2 | €15 | ❌ Lost | -€25 | +1 unit → €20 |
| 3 | €20 | ✅ Won | -€5 | -1 unit → €15 |
| 4 | €15 | ✅ Won | +€10 | -1 unit → €10 |
| 5 | €10 | ✅ Won | +€20 | -1 unit → €5 |
| 6 | €5 | ❌ Lost | +€15 | +1 unit → €10 |
✅Advantages
- +Smooth and controlled progression (±1 unit per round)
- +Less aggressive than Martingale
- +Based on equilibrium theory (equal wins and losses)
- +Moderate bankroll sufficient
- +Low psychological stress
- +Easy to track mentally
⚠️Disadvantages
- -Slow recovery after a losing streak
- -Requires balanced number of wins and losses to be profitable
- -Less effective during long losing streaks
- -Modest gains compared to risk
- -Can stagnate for long periods without progress
🤔When to use this strategy?
Perfect for cautious players who want a moderate approach between Fibonacci and Martingale. Ideal for medium sessions (30-45 minutes) with a reasonable budget. Suits players who accept progressive gains rather than spectacular wins.
💎Expert tips
- •Clearly define your base unit before starting
- •NEVER go below 1 unit (€5 in our example)
- •Stop when you reach equilibrium (equal wins and losses)
- •This strategy requires patience - gains are progressive
- •Plan a bankroll of at least 20x your base unit
- •Ideal for even-money bets (Red/Black, Even/Odd)
- •If you lose 5 units in a row, take a break
- •D'Alembert is less stressful than Martingale but requires more time
- •Set a maximum loss limit (e.g., -€50) and stick to it