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FA-85231 / Fantasy sports scoring / Open access

Midfielders penalized for goals conceded · case 01

Midfielders lose points when their team concedes twice.

Verified by executionVariant 1 · 7 checks per implementationDownload source bundle ↓JSON ↗

ROOT CAUSE

The conceded penalty includes midfielders.

THE FAILURE

The conceded penalty includes midfielders.

Unsuccessful approach: Limiting the penalty to goalkeepers lets defenders escape it.

Case contract

Score an association-football fantasy player. 0 minutes scores 0 (even cards shown on the bench). Appearance 1, or 2 for 60+ minutes. Goals GK/DEF 6, MID 5, FWD 4; assist 3. Clean sheet (0 conceded while on pitch, 60+ minutes) GK/DEF 4, MID 1. GK/DEF lose 1 per 2 goals conceded (floor). GK +1 per 3 saves. Penalty save 5, penalty miss -2, own goal -2. A red card is -3 and replaces any yellow (-1).

Why this case matters

Position-dependent values and minute thresholds are the heart of football fantasy scoring.

1 / The failure

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(p):
    if p['minutes'] == 0:
        return 0
    pos = p['pos']
    pts = 2 if p['minutes'] >= 60 else 1
    pts += p['goals'] * {'GK': 6, 'DEF': 6, 'MID': 5, 'FWD': 4}[pos]
    pts += p['assists'] * 3
    if p['conceded'] == 0 and p['minutes'] >= 60:
        pts += {'GK': 4, 'DEF': 4, 'MID': 1, 'FWD': 0}[pos]
    if pos in ('GK', 'DEF', 'MID'):
        pts -= p['conceded'] // 2
    if pos == 'GK':
        pts += p['saves'] // 3
    pts += p['pen_saved'] * 5 - p['pen_missed'] * 2 - p['own_goals'] * 2
    if p['red']:
        pts -= 3
    elif p['yellow']:
        pts -= 1
    return pts
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [[('regression: conceded positions',
   [{'assists': 0,
     'conceded': 3,
     'goals': 0,
     'minutes': 61,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': True}],
   -1),
  ('partial repair probe: conceded positions',
   [{'assists': 2,
     'conceded': 3,
     'goals': 0,
     'minutes': 45,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   6),
  ('second regression',
   [{'assists': 0,
     'conceded': 2,
     'goals': 2,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': True}],
   9),
  ('normal control 1',
   [{'assists': 0,
     'conceded': 0,
     'goals': 2,
     'minutes': 1,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': True,
     'saves': 5,
     'yellow': False}],
   11),
  ('normal control 2',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': True}],
   0),
  ('normal control 3',
   [{'assists': 2,
     'conceded': 0,
     'goals': 1,
     'minutes': 60,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 1,
     'yellow': False}],
   18),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 2,
     'goals': 0,
     'minutes': 60,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 0,
     'yellow': False}],
   -1)],
 [('regression: conceded positions',
   [{'assists': 1,
     'conceded': 3,
     'goals': 1,
     'minutes': 1,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': True}],
   4),
  ('partial repair probe: conceded positions',
   [{'assists': 2,
     'conceded': 4,
     'goals': 2,
     'minutes': 45,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': True}],
   14),
  ('second regression',
   [{'assists': 2,
     'conceded': 3,
     'goals': 2,
     'minutes': 60,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   16),
  ('normal control 1',
   [{'assists': 2,
     'conceded': 2,
     'goals': 2,
     'minutes': 59,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 0,
     'yellow': False}],
   18),
  ('normal control 2',
   [{'assists': 1,
     'conceded': 1,
     'goals': 2,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   15),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 1,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 6,
     'yellow': False}],
   3),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 4,
     'goals': 1,
     'minutes': 59,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': True}],
   2)],
 [('regression: conceded positions',
   [{'assists': 0,
     'conceded': 3,
     'goals': 1,
     'minutes': 46,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': True}],
   3),
  ('partial repair probe: conceded positions',
   [{'assists': 1,
     'conceded': 3,
     'goals': 0,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   4),
  ('second regression',
   [{'assists': 2,
     'conceded': 4,
     'goals': 1,
     'minutes': 90,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': False}],
   8),
  ('normal control 1',
   [{'assists': 1,
     'conceded': 0,
     'goals': 1,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   9),
  ('normal control 2',
   [{'assists': 1,
     'conceded': 3,
     'goals': 2,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': False}],
   10),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 0,
     'goals': 1,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': True,
     'saves': 0,
     'yellow': False}],
   2),
  ('normal control 4',
   [{'assists': 2,
     'conceded': 1,
     'goals': 2,
     'minutes': 61,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': False}],
   14)],
 [('regression: conceded positions',
   [{'assists': 2,
     'conceded': 4,
     'goals': 1,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   13),
  ('partial repair probe: conceded positions',
   [{'assists': 0,
     'conceded': 4,
     'goals': 2,
     'minutes': 59,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   9),
  ('second regression',
   [{'assists': 1,
     'conceded': 3,
     'goals': 2,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': True}],
   13),
  ('normal control 1',
   [{'assists': 1,
     'conceded': 1,
     'goals': 0,
     'minutes': 45,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   4),
  ('normal control 2',
   [{'assists': 2,
     'conceded': 0,
     'goals': 0,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   5),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': False}],
   0),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   0)],
 [('regression: conceded positions',
   [{'assists': 2,
     'conceded': 3,
     'goals': 2,
     'minutes': 1,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   17),
  ('partial repair probe: conceded positions',
   [{'assists': 1,
     'conceded': 2,
     'goals': 0,
     'minutes': 60,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   4),
  ('second regression',
   [{'assists': 0,
     'conceded': 3,
     'goals': 1,
     'minutes': 61,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   5),
  ('normal control 1',
   [{'assists': 1,
     'conceded': 0,
     'goals': 2,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   16),
  ('normal control 2',
   [{'assists': 2,
     'conceded': 0,
     'goals': 1,
     'minutes': 61,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': False}],
   10),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 3,
     'goals': 0,
     'minutes': 61,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 4,
     'yellow': False}],
   0),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 0,
     'yellow': True}],
   0)]]
for label, args, expected in fixtures[N-1]:
    check(label, solve(*args), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
regression: conceded positions-2-1Failed
partial repair probe: conceded positions66Passed
second regression89Failed
normal control 11111Passed
normal control 200Passed
normal control 31818Passed
normal control 4-1-1Passed

SHA-256 / 4336023360476f9a4462241eab9eae8a5a4d30f8ca82f26d5fe762925b2d3645

2 / The unsuccessful fix

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(p):
    if p['minutes'] == 0:
        return 0
    pos = p['pos']
    pts = 2 if p['minutes'] >= 60 else 1
    pts += p['goals'] * {'GK': 6, 'DEF': 6, 'MID': 5, 'FWD': 4}[pos]
    pts += p['assists'] * 3
    if p['conceded'] == 0 and p['minutes'] >= 60:
        pts += {'GK': 4, 'DEF': 4, 'MID': 1, 'FWD': 0}[pos]
    if pos in ('GK',):
        pts -= p['conceded'] // 2
    if pos == 'GK':
        pts += p['saves'] // 3
    pts += p['pen_saved'] * 5 - p['pen_missed'] * 2 - p['own_goals'] * 2
    if p['red']:
        pts -= 3
    elif p['yellow']:
        pts -= 1
    return pts
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [[('regression: conceded positions',
   [{'assists': 0,
     'conceded': 3,
     'goals': 0,
     'minutes': 61,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': True}],
   -1),
  ('partial repair probe: conceded positions',
   [{'assists': 2,
     'conceded': 3,
     'goals': 0,
     'minutes': 45,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   6),
  ('second regression',
   [{'assists': 0,
     'conceded': 2,
     'goals': 2,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': True}],
   9),
  ('normal control 1',
   [{'assists': 0,
     'conceded': 0,
     'goals': 2,
     'minutes': 1,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': True,
     'saves': 5,
     'yellow': False}],
   11),
  ('normal control 2',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': True}],
   0),
  ('normal control 3',
   [{'assists': 2,
     'conceded': 0,
     'goals': 1,
     'minutes': 60,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 1,
     'yellow': False}],
   18),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 2,
     'goals': 0,
     'minutes': 60,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 0,
     'yellow': False}],
   -1)],
 [('regression: conceded positions',
   [{'assists': 1,
     'conceded': 3,
     'goals': 1,
     'minutes': 1,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': True}],
   4),
  ('partial repair probe: conceded positions',
   [{'assists': 2,
     'conceded': 4,
     'goals': 2,
     'minutes': 45,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': True}],
   14),
  ('second regression',
   [{'assists': 2,
     'conceded': 3,
     'goals': 2,
     'minutes': 60,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   16),
  ('normal control 1',
   [{'assists': 2,
     'conceded': 2,
     'goals': 2,
     'minutes': 59,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 0,
     'yellow': False}],
   18),
  ('normal control 2',
   [{'assists': 1,
     'conceded': 1,
     'goals': 2,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   15),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 1,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 6,
     'yellow': False}],
   3),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 4,
     'goals': 1,
     'minutes': 59,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': True}],
   2)],
 [('regression: conceded positions',
   [{'assists': 0,
     'conceded': 3,
     'goals': 1,
     'minutes': 46,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': True}],
   3),
  ('partial repair probe: conceded positions',
   [{'assists': 1,
     'conceded': 3,
     'goals': 0,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   4),
  ('second regression',
   [{'assists': 2,
     'conceded': 4,
     'goals': 1,
     'minutes': 90,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': False}],
   8),
  ('normal control 1',
   [{'assists': 1,
     'conceded': 0,
     'goals': 1,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   9),
  ('normal control 2',
   [{'assists': 1,
     'conceded': 3,
     'goals': 2,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': False}],
   10),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 0,
     'goals': 1,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': True,
     'saves': 0,
     'yellow': False}],
   2),
  ('normal control 4',
   [{'assists': 2,
     'conceded': 1,
     'goals': 2,
     'minutes': 61,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': False}],
   14)],
 [('regression: conceded positions',
   [{'assists': 2,
     'conceded': 4,
     'goals': 1,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   13),
  ('partial repair probe: conceded positions',
   [{'assists': 0,
     'conceded': 4,
     'goals': 2,
     'minutes': 59,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   9),
  ('second regression',
   [{'assists': 1,
     'conceded': 3,
     'goals': 2,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': True}],
   13),
  ('normal control 1',
   [{'assists': 1,
     'conceded': 1,
     'goals': 0,
     'minutes': 45,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   4),
  ('normal control 2',
   [{'assists': 2,
     'conceded': 0,
     'goals': 0,
     'minutes': 46,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   5),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': True,
     'saves': 0,
     'yellow': False}],
   0),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   0)],
 [('regression: conceded positions',
   [{'assists': 2,
     'conceded': 3,
     'goals': 2,
     'minutes': 1,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   17),
  ('partial repair probe: conceded positions',
   [{'assists': 1,
     'conceded': 2,
     'goals': 0,
     'minutes': 60,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'DEF',
     'red': False,
     'saves': 0,
     'yellow': False}],
   4),
  ('second regression',
   [{'assists': 0,
     'conceded': 3,
     'goals': 1,
     'minutes': 61,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   5),
  ('normal control 1',
   [{'assists': 1,
     'conceded': 0,
     'goals': 2,
     'minutes': 90,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'MID',
     'red': False,
     'saves': 0,
     'yellow': False}],
   16),
  ('normal control 2',
   [{'assists': 2,
     'conceded': 0,
     'goals': 1,
     'minutes': 61,
     'own_goals': 1,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'FWD',
     'red': False,
     'saves': 0,
     'yellow': False}],
   10),
  ('normal control 3',
   [{'assists': 0,
     'conceded': 3,
     'goals': 0,
     'minutes': 61,
     'own_goals': 0,
     'pen_missed': 1,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 4,
     'yellow': False}],
   0),
  ('normal control 4',
   [{'assists': 0,
     'conceded': 0,
     'goals': 0,
     'minutes': 0,
     'own_goals': 0,
     'pen_missed': 0,
     'pen_saved': 0,
     'pos': 'GK',
     'red': False,
     'saves': 0,
     'yellow': True}],
   0)]]
for label, args, expected in fixtures[N-1]:
    check(label, solve(*args), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
regression: conceded positions-1-1Passed
partial repair probe: conceded positions76Failed
second regression99Passed
normal control 11111Passed
normal control 200Passed
normal control 31818Passed
normal control 4-1-1Passed

SHA-256 / 0c85aa134d738145a6755845276c2bf4c3e624effaf2237ca54d5f556e37b652

HELD IN THE MEMBER ARCHIVE

The verified repair and its recorded checks are member-only.

This mechanism has 7 recorded checks per implementation. The open-access tier publishes the failure and the unsuccessful fix; the repaired source that passes every check, and the observations that prove it, are available to members.

Every case sharing this mechanism uses the same contract and the same repair, so this one record is held back for all of them.

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Verification & scope

A deterministic toy scoring contract stipulated for this example; it is not the rulebook of any real fantasy platform. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.

Observations recorded using Python 3.12.14 at 2026-09-29T14:50:38.514541+00:00.

Case digest / d2b5f2fd8c7cea66c5289cd395d64ce2c33e6019e2da6a6248a6c0732fb5d726