FA-84300 / Sports scoring and tiebreakers / Member archive

Genuine ties split by name or partial countback · case 05

Athletes identical on every criterion receive different places.

Member previewVariant 5 · 3 implementations · 9 checks per implementation

Case contract

High jump placing. records rows are [name, [[height_cm, attempts], ...]] where attempts is a string of X (failure), O (clearance) or "-" (pass). Best height is the highest cleared. Rank by best height descending, then fewest failures at the best height, then fewest total failures at heights up to and including the best; athletes equal on all three share the place (the next place is skipped). Athletes without a clearance come last with place None in name order. Return [place, name, best].

Why this case matters

Vertical jump results depend on countback rules that are easy to misapply.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
boundary true tie shares place	`[[1, "Ade", 180], [2, "Cy", 180], [3, "Bo", 177]]`	`[[1, "Ade", 180], [1, "Cy", 180], [3, "Bo", 177]]`	Failed

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