Roulette Simulator

D'Alembert vs Oscar's Grind

Which roulette betting strategy is right for you? Compare these two popular systems side-by-side.

D'Alembert Strategy

Increase bet by one unit after a loss, decrease by one after a win.

moderatesimplenegative progression

Oscar's Grind Strategy

Increase bet by one unit after a win, keep same after a loss. Goal is to win one unit per cycle.

conservativemoderatepositive progression

Side-by-Side Comparison

FeatureD'AlembertOscar's Grind
Stylemoderateconservative
Complexitysimplemoderate
Progression Typenegativepositive
Best ForConservative playersPatient players

D'Alembert

Pros

  • Very slow and safe progression
  • Easy to understand
  • Lower variance than Martingale

Cons

  • Takes longer to recover losses
  • Still cannot beat house edge
  • Profit potential is limited

Oscar's Grind

Pros

  • Very conservative approach
  • Limits bet increases
  • Good for extended play

Cons

  • Slow profit accumulation
  • Can take many spins to complete a cycle
  • Boring for action-seekers

Quick Summary

Simpler Option

Easier to learn and follow:

D'Alembert

More Conservative

Slower bet progression:

Oscar's Grind

More Aggressive

Faster bet progression:

D'Alembert

Quick Simulation: D'Alembert on Red

Starting balance: $1,000 | Base bet: $10 | European roulette odds

Quick Simulation: Oscar's Grind on Red

Starting balance: $1,000 | Base bet: $10 | European roulette odds

Test Both Strategies

Try D'Alembert and Oscar's Grind in our free simulator.

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