Oscar’s Grind
Overview
A slow, grinding positive progression: increase your stake by 1 unit after a win — but ONLY if the resulting bet wouldn’t produce more than 1 unit of profit for the entire sequence. The goal is to “grind out” exactly 1 unit of profit per cycle. One of the most conservative progression systems ever devised.
How It Works
- Start at 1 unit. The goal is to end the sequence +1 unit.
- Win: If the next bet (at current stake + 1) would produce a sequence profit of ≤ 1 unit, increase stake by 1. Otherwise, keep stake the same (or reduce to exactly target +1 unit profit).
- Loss: Keep stake the same.
- When the sequence reaches +1 unit profit, reset to 1 unit and start a new cycle.
Example (1 unit base, even-money bets):
- Bet 1: 1 unit, Lose (−1). Sequence: −1
- Bet 2: 1 unit, Lose (−1). Sequence: −2
- Bet 3: 1 unit, Win (+1). Sequence: −1 (stake stays at 1 because 2 would overshoot +1)
- Bet 4: 1 unit, Win (+1). Sequence: 0
- Bet 5: 1 unit, Win (+1). Sequence: +1 → Reset. Cycle complete.
Key Rule
The golden rule: never bet more than needed to achieve exactly +1 unit profit for the sequence. If you’re at −3 and bet 1 unit, a win at evens brings you to −2 — still not +1, so the stake could increase to 2 for the next bet (2 × evens = +2 profit, −3 + 2 = −1, still below +1).
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
unit |
number | 1 | Base unit size |
target_profit |
number | 1 | Profit target per cycle (typically 1 unit) |
Risk Assessment
- Risk Level: Low
- Max Drawdown: Very slow stake growth — stakes only increase after wins, and only when it won’t overshoot the 1-unit target
- Recommended Bankroll: 50+ units
- Ruin Risk: Very low — one of the safest progression systems
When to Use
- You have extreme patience (cycles can be very long)
- Capital preservation is paramount
- You enjoy the intellectual elegance of “never bet more than you need”
When to Avoid
- You want fast results (the “grind” is real — cycles with many losses can take dozens of bets)
- Low odds selections (harder to reach +1 with small wins)
- You find the calculation tedious
Betfair Exchange Notes
- The +1 target should account for commission: effective target ≈ 1 / (1 − commission)
- Works for both back and lay
Related Plans
- Paroli — Aggressive positive progression (opposite philosophy)
- D’Alembert — Moderate negative progression
- Whitaker — Another conservative, slow-growth plan
Sources
- Plan mechanics: Classic casino/betting system (public domain)
- Plan catalog reference: The Staking Machine — staking plan software with 50+ plans