FA-83385 / Card game rule engines / Member archive

Dealer hits soft 17 under S17 and stands under H17 · case 05

The table rule is applied backwards on soft 17.

Member previewVariant 5 · 3 implementations · 8 checks per implementation

Case contract

Input [dealer_cards, shoe, rule]. Dealer draws from the front of the shoe while total < 17, and under H17 also on soft 17; aces count 11 when that does not bust. Stop if the shoe runs out. Return [final_cards, total].

Why this case matters

Card-game engines, scoring apps and online tables apply this rule automatically on every hand.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
dealer hand case 7	`[["5S", "AH", "AC"], 17]`	`[["5S", "AH", "AC", "4D"], 21]`	Failed

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