FA-82174 / Poker hand evaluation / Member archive

Lower-case dead cards never block · case 04

Dead cards written "ah" or "JH" leave the combo count unchanged.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

Input: {"hand": class such as "AKs", "AKo", "AK" or "QQ", "dead": [known cards, rank upper-case or lower-case, suit lower-case or upper-case]}. Enumerate the concrete two-card combos of the class (suits c,d,h,s) and return how many contain no dead card.

Why this case matters

Blocker math decides how many value combos an opponent can still hold.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
lower-case dead	`12`	`7`	Failed

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