Cheat Sheet Summary
| System type | Positive progression |
|---|---|
| Best suited table | European or French roulette |
| Usual bet type | Even-money bets |
| Risk level | Low to medium |
| Bankroll pressure | Low - base-unit losses, capped wins |
| Changes house edge? | No. The Paroli system does not change the underlying odds. |
Bet 1 unit. Double after a win. Cap the cycle at three wins. Reset to 1 unit after a loss or after the cap.
How the System Works
- Choose a base unit and an even-money bet.
- Bet 1 unit.
- If you win, double the next bet.
- After three consecutive wins, lock in 7 units of profit and reset.
- After any loss, also reset to 1 unit.
Example Betting Sequence
| Spin | Bet | Result | Cumulative |
|---|---|---|---|
| 1 | 1 | Win | +1 |
| 2 | 2 | Win | +3 |
| 3 | 4 | Win | +7 (reset) |
| 4 | 1 | Loss | +6 |
| 5 | 1 | Win | +7 |
| 6 | 2 | Loss | +5 |
What the System Tries to Do
Paroli tries to use a small amount of bankroll to capture a single good streak per session. The 3-win cap stops the system from giving back gains by pressing too far.
Where the Risk Appears
Most cycles fail before the third win. You will lose at the base unit far more often than you will complete a full cycle. The system relies on the occasional clean 3-win run to offset many short losing ones.
Responsible gambling note: Roulette is a negative expectation game. Cheat sheets and strategy guides help you understand bets, payouts and risk, but no system removes the house edge. Only play with money you can afford to lose, and stop when play stops feeling controlled.
Best Bets to Use With This System
Even-money outside bets. The doubling math depends on 1:1 payouts.
When to Stop
- Stop after a target number of completed cycles.
- Stop at a fixed loss cap of base-unit losses.
- Stop after one big win if that hits the session target.
If session limits start slipping, step away. See our safe gambling guide for budget tools, time limits and warning signs.
Final Practical Verdict
Paroli is the simplest disciplined positive progression. The strict 3-win cap is what makes it work - without it, the system reverts to gambling away profits chasing longer streaks.
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