FA-84095 / Sports scoring and tiebreakers / Member archive

Games behind measured from the team with most wins · case 05

Games behind is computed from the team with the most wins rather than the best percentage.

Member previewVariant 5 · 3 implementations · 9 checks per implementation

Case contract

Division standings. teams rows are [name, wins, losses]. Win percentage is wins / games (0 for no games) shown with three decimals and the leading zero dropped (".500", but "1.000"). Sort by win percentage, then more wins, then name. The leader is the first sorted row; games behind = ((leader_wins - wins) + (losses - leader_losses)) / 2, shown as "-" when zero and otherwise with one decimal (negative values allowed). Return [name, pct, gb] rows.

Why this case matters

Standings pages and playoff-race widgets print win percentage and games behind.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
regression: leader selection	`[["Wolves", "1.000", "-2.0"], ["Bucks", ".767", "-"], ["Jets", ".667", "4.5"], ["Cats", ".400", "10.0"], ["Suns", ".368", "10.5"]]`	`[["Wolves", "1.000", "-"], ["Bucks", ".767", "2.0"], ["Jets", ".667", "6.5"], ["Cats", ".400", "12.0"], ["Suns", ".368", "12.5"]]`	Failed

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