FA-81914 / Poker hand evaluation / Member archive
A paired low hand qualifies for the low half · case 04
2-2-4-6-8 is treated as an 8-6-4-2 low and wins the low pot.
Case contract
Input: {"a": five cards, "b": five cards}. Ace-to-five low: aces count 1, straights and flushes are ignored, any paired rank disqualifies, the highest card must be 8 or lower to qualify. Compare qualifying lows from the highest card downward; lower wins. Return "a", "b", "tie", or "none" when neither qualifies.
Why this case matters
Hi-lo split games award half the pot from this low comparison.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| pair disqualifies | "a" | "none" | Failed |
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