FA-82332 / Poker hand evaluation / Member archive

Reports the most hole cards that can play · case 02

When the board plays, the hand is annotated as using both hole cards.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Input: {"hole": two cards, "board": five cards}. Return the minimum number of hole cards (0, 1 or 2) needed to make the player's best possible five-card hand; 0 means the board plays.

Why this case matters

"Board plays" detection drives split-pot explanations and hand-history annotations.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
hole ranks duplicate board straight	`2`	`0`	Failed

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