FA-82189 / Poker hand evaluation / Member archive

Steel wheel announced as a royal flush · case 04

A-2-3-4-5 suited is announced as "Royal Flush".

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

Input: five distinct cards. Return the showdown announcement: "Royal Flush", "Straight Flush, <top> high", "Four <plural>", "Full House, <trips plural> full of <pair plural>", "Flush, <top> high", "Straight, <top> high" (wheel is Five high), "Three <plural>", "Two Pair, <higher plural> and <lower plural>", "Pair of <plural>", "High Card, <top>". Rank names Two..Ace; plurals add "s" except Deuces and Sixes.

Why this case matters

Dealer announcements and hand histories must name the same hand the evaluator paid.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
steel wheel	`"Royal Flush"`	`"Straight Flush, Five high"`	Failed

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