FA-84327 / Sports scoring and tiebreakers / Member archive

Point deductions applied to the wrong fighter · case 02

A fighter penalised for fouls gains ground on the cards.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Ten-point-must decision. cards is three judge cards, each a list of [a_points, b_points] per round; deductions is [a_deducted, b_deducted] applied to every judge's totals. Each judge favours the higher total or scores a draw. Two or more judges for one fighter: "unanimous decision" if the other two agree, "split decision" if one judge favours the opponent, "majority decision" if one judge scores a draw. Otherwise: three draws "unanimous draw", two draws "majority draw", else "split draw". Return [result, winner or None, ["a-b" totals per judge]].

Why this case matters

Fight-result feeds classify decisions from judges' cards after deductions.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
boundary deduction creates draw	`["unanimous decision", "A", ["20-16", "20-16", "19-17"]]`	`["majority draw", null, ["18-18", "18-18", "17-19"]]`	Failed

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