FA-84805 / Betting odds conversion / Member archive

Accumulators beyond seven legs get no bonus · case 05

An eight-fold loses its bonus entirely, or is capped at 20 percent.

Member previewVariant 5 · 3 implementations · 8 checks per implementation

Case contract

Winning accumulator bonus. Every leg price multiplies the accumulator. Legs priced at 1.20 or more qualify; the bonus percentage by qualifying count is {3: 5, 4: 10, 5: 15, 6: 20, 7: 25} with 7 or more paying 25 and fewer than 3 paying 0. The bonus is applied to the profit only: return = stake + profit * (100 + pct) / 100, rounded down. Return [qualifying legs, bonus pct, return cents].

Why this case matters

Acca promotions depend on minimum-odds qualification and apply the bonus to winnings.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
boundary eight legs capped	`[8, 0, 2562]`	`[8, 25, 3178]`	Failed

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