FA-12778 / Voting rule computation / Member archive

A tied rank consumes only one scoring position · case 03

A tied rank consumes only one scoring position.

Member previewVariant 3 · 3 implementations · 6 checks per implementation

Case contract

Groups partition all m candidates in rank order. Award each member the exact mean of Borda scores m-1-i for occupied positions, returned as strings in candidate order.

Why this case matters

A deterministic toy ballot model makes the stated counting convention executable.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
top tie consumes positions	`["2", "2", "1"]`	`["3/2", "3/2", "0"]`	Failed

MEMBER ARCHIVE

The complete case is available to members.

This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

Member access is invitation-based. Sign in with your invited account to inspect the sources.