
Systems library · 23
All roulette betting systems
Compare progressions, cancellation lists, and coverage layouts. Every page explains rules, risk shape, and where the system fails — house edge stays either way.
Negative progressions
Raise after losses — recovery chase, higher blow-up risk.
BeginnerVery High risk1 → 2 → 4 → 8 → 16 → 32
Martingale
Double after every loss to chase a one-unit recovery.
Beginner · Very HighOpen guide
BeginnerMedium risk+1 after loss · −1 after win
D'Alembert
Add one unit after a loss, subtract one after a win.
Beginner · MediumOpen guide
IntermediateHigh risk1 · 1 · 2 · 3 · 5 · 8 · 13
Fibonacci
Climb the sequence after losses; step back two places after a win.
Intermediate · HighOpen guide
IntermediateVery High risk1 → 3 → 7 → 15 → 31
Grand Martingale
Double plus one unit after losses for a bigger recovery win.
Intermediate · Very HighOpen guide
IntermediateMedium risk3-spin cycles
Hollandish
Bet in cycles of three equal stakes; raise only after a losing cycle — slower than Martingale.
Intermediate · MediumOpen guide
Positive progressions
Raise after wins — ride streaks, reset on loss.
BeginnerMedium riskPress wins · reset on loss
Paroli
Double after wins, reset after losses—ride hot streaks only.
Beginner · MediumOpen guide
BeginnerMedium risk1 · 3 · 2 · 6
1-3-2-6
Four-step win ladder: 1 → 3 → 2 → 6 units, reset to 1 on any loss.
Beginner · MediumOpen guide
AdvancedHigh riskLevel chart climb
Guetting
Climb a multi-level stake table after wins — structured positive progression.
Advanced · HighOpen guide
IntermediateMedium riskHold · +1 · target +1u
Oscar's Grind
Hold the stake after losses, nudge +1 unit after wins — grind each series to +1 unit profit.
Intermediate · MediumOpen guide
BeginnerMedium riskRide wins · then bank
Parlay
Let winnings ride for a set number of hits, then bank — classic positive press.
Beginner · MediumOpen guide
BeginnerMedium risk+1 win · −1 loss
Reverse D'Alembert
Add one unit after a win, subtract one after a loss—gentle positive steps.
Beginner · MediumOpen guide
AdvancedVery High riskThird · then all
Tier et Tout
Split the session bankroll into thirds — bet a third, then press hard after a win.
Advanced · Very HighOpen guide
Cancellation systems
Cross numbers off a written list toward a profit target.
Coverage & layouts
Fixed multi-bet packages that leave some numbers open.
BeginnerMedium risk200-unit coverage layout
James Bond
Fixed three-part coverage: high numbers, a 13–18 six-line, and zero insurance.
Beginner · MediumOpen guide
AdvancedHigh riskNear-full coverage
666 Strategy
66-unit near-full coverage — color, six splits, and three straight-ups; four numbers open.
Advanced · HighOpen guide
IntermediateHigh riskSix-line systems
Double Street
Six-line (double street) coverage with optional stake rules — hit rate vs 5:1 payout.
Intermediate · HighOpen guide
AdvancedHigh risk~20-number package
Kavouras
Named ~20-number package: zero corner, high double street, and five splits.
Advanced · HighOpen guide
IntermediateMedium risk32-number cover
Romanovsky
Cover 32 numbers with two dozens plus two corners — high hit rate, +1 unit wins.
Intermediate · MediumOpen guide
AdvancedHigh riskFixed sector map
Shotwell
Six-line plus four straight-ups (~10 numbers) aimed at even wheel spacing — layout, not magic.
Advanced · HighOpen guide
IntermediateMedium risk17 neighbors of 0
Voisins du Zéro
French call: ~17 numbers on the zero side of the wheel in one multi-chip package.
Intermediate · MediumOpen guide
Pattern & sector play
Hot numbers, sectors, and sample-then-attack ideas.
Discipline baseline
Flat betting and control — the baseline every system should beat on honesty.



