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Public validation record

2026 Football Model Performance

These results use official OSPR projections locked before kickoff and evaluated against final scores. Mirrored schedule records and live forecasts are excluded.

Evaluated through Oct 15, 2026

Accuracy calculated Oct 16, 2026 8:00 AM EDT

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Performance summary

2,842 games evaluated with ospr-2026.1

Games evaluated

2,842

Winner accuracy

68.5%

1,947 correct

Average margin error

22.5

Lower is better

Average score error

13.3

Per-team points

Brier score

0.203

Probability accuracy

Close projection rate

14.1%

Correct and within 7

Regular season vs. playoffs

A direct comparison using the selected season, week, team, and OSPR model version.

Regular season

Games
2,842
Winner accuracy
68.5%
Margin error
22.5

Playoffs

Games
0
Winner accuracy
—
Margin error
—

Performance by week

Results for the selected model version and season phase.

Week Games Winner accuracy Margin error
Week 1 355 58.3% 22.0
Week 2 351 61.0% 23.3
Week 3 358 62.3% 21.9
Week 4 354 65.3% 23.5
Week 5 356 74.4% 22.6
Week 6 357 80.4% 22.7
Week 7 358 75.4% 22.0
Week 8 348 71.3% 21.8
Week 9 4 25.0% 26.2

Probability calibration

Observed win rate should approach the average predicted probability as sample sizes grow.

Probability Games Predicted Observed Gap Brier
0–9% 13 8.5% 7.7% -0.8 0.069
10–19% 178 15.9% 9.6% -6.4 0.091
20–29% 302 25.5% 23.2% -2.3 0.178
30–39% 445 35.1% 35.1% 0.0 0.227
40–49% 562 45.1% 43.6% -1.5 0.245
50–59% 478 54.9% 57.7% +2.9 0.247
60–69% 404 64.8% 71.0% +6.2 0.205
70–79% 325 74.8% 79.7% +4.9 0.162
80–89% 128 84.0% 86.7% +2.7 0.113
90–99% 7 91.9% 85.7% -6.1 0.127

Performance by prediction confidence

Newer snapshots use historical calibration and comparable sample size. Legacy snapshots fall back to rating-evidence confidence.

Confidence Games Winner accuracy Average margin error
High 2,368 69.6% 22.4 points
Medium 31 80.6% 23.7 points
Low 443 61.9% 22.6 points

Performance by risk indicator

A game may appear in more than one group because indicators describe different kinds of uncertainty.

Indicator Games Winner accuracy Average margin error
Limited Data 1,515 62.4% 22.9 points
Close Game 2,021 62.8% 22.3 points
Upset Possible 1,886 61.9% 22.1 points
Blowout Range 1 100.0% 23.8 points

Largest misses

The largest margin errors in this selection. A miss is a model result to learn from, not automatically a data error.

Date Matchup Projected Final Margin error
Sep 11, 2026 Farrell vs. Reynolds 25–24 84–0 82.5 points
Sep 25, 2026 Normandy vs. Rocky River 14–28 0–83 68.7 points
Sep 18, 2026 Trotwood-Madison vs. Taft 23–17 72–0 65.6 points
Sep 26, 2026 Bedford vs. Cleveland JFK 18–17 66–0 64.8 points
Sep 18, 2026 John Adams vs. Cleveland JFK 16–18 68–6 64.4 points

Evaluated games

The game-level record behind the summary above.

Sep 4, 2026

Groveport-Madison vs. Marion Franklin

Correct
Projected
21–17
Final
42–7
Projected winner
Groveport-Madison
Margin error
31.4

Sep 4, 2026

Grove City vs. Hilliard Bradley

Missed
Projected
24–18
Final
21–56
Projected winner
Grove City
Margin error
40.9

Sep 4, 2026

Central Crossing vs. Westland

Correct
Projected
14–26
Final
7–40
Projected winner
Westland
Margin error
21.9

Sep 4, 2026

Whitmer vs. Southview

Missed
Projected
20–22
Final
37–6
Projected winner
Southview
Margin error
33.0

Sep 4, 2026

Start vs. Milan Edison

Missed
Projected
21–18
Final
6–22
Projected winner
Start
Margin error
19.7

Sep 4, 2026

Springfield vs. Trotwood-Madison

Correct
Projected
20–22
Final
9–25
Projected winner
Trotwood-Madison
Margin error
13.8

Sep 4, 2026

Springboro vs. Withrow

Missed
Projected
17–28
Final
23–13
Projected winner
Withrow
Margin error
20.6

Sep 4, 2026

Perrysburg vs. Fremont Ross

Missed
Projected
24–25
Final
40–7
Projected winner
Fremont Ross
Margin error
33.3

Sep 4, 2026

Olentangy Liberty vs. Gahanna Lincoln

Correct
Projected
18–24
Final
13–14
Projected winner
Gahanna Lincoln
Margin error
5.2

Sep 4, 2026

Northmont vs. KIPP Columbus

Missed
Projected
20–21
Final
38–0
Projected winner
KIPP Columbus
Margin error
38.5

Sep 4, 2026

Middletown vs. Fairfield

Missed
Projected
16–23
Final
27–20
Projected winner
Fairfield
Margin error
13.3

Sep 4, 2026

Miamisburg vs. Hilliard Davidson

Correct
Projected
22–20
Final
21–14
Projected winner
Miamisburg
Margin error
4.8

Sep 4, 2026

Marysville vs. Lancaster

Correct
Projected
23–18
Final
15–10
Projected winner
Marysville
Margin error
0.8

Sep 4, 2026

Fairmont vs. LaSalle

Missed
Projected
17–27
Final
24–21
Projected winner
LaSalle
Margin error
13.3

Sep 4, 2026

Findlay vs. Holland Springfield

Missed
Projected
22–23
Final
37–20
Projected winner
Holland Springfield
Margin error
18.3

Sep 4, 2026

Dublin Coffman vs. Dublin Jerome

Missed
Projected
23–17
Final
28–45
Projected winner
Dublin Coffman
Margin error
23.3

Sep 4, 2026

Delaware Hayes vs. Thomas Worthington

Correct
Projected
21–22
Final
16–20
Projected winner
Thomas Worthington
Margin error
3.5

Sep 4, 2026

Centerville vs. Olentangy Berlin

Missed
Projected
21–18
Final
6–20
Projected winner
Centerville
Margin error
16.8

Sep 4, 2026

Beavercreek vs. Harrison

Missed
Projected
25–23
Final
28–33
Projected winner
Beavercreek
Margin error
6.5

Sep 4, 2026

Strongsville vs. Olmsted Falls

Missed
Projected
22–21
Final
21–38
Projected winner
Strongsville
Margin error
17.4

Sep 4, 2026

Lakewood St. Edward vs. Wayne

Correct
Projected
21–20
Final
48–21
Projected winner
Lakewood St. Edward
Margin error
26.2

Sep 4, 2026

Solon vs. Twinsburg

Missed
Projected
19–21
Final
24–12
Projected winner
Twinsburg
Margin error
14.7

Sep 4, 2026

Shaker Heights vs. Mayfield

Correct
Projected
20–25
Final
13–43
Projected winner
Mayfield
Margin error
24.8

Sep 4, 2026

Mentor vs. St. Ignatius

Missed
Projected
24–19
Final
7–51
Projected winner
Mentor
Margin error
48.0

Sep 4, 2026

Lorain vs. Amherst Steele

Correct
Projected
19–24
Final
16–56
Projected winner
Amherst Steele
Margin error
34.5

How to interpret these numbers

Winner accuracy shows whether OSPR favored the team that won. Average margin error shows how far the projected point margin was from the final margin.

Brier score measures probability quality from 0 to 1; lower is better. Calibration compares predicted win probabilities with observed outcomes.

Small groups can swing sharply, so every percentage is shown with its evaluated game count.

Injuries, roster changes, weather, and information not reflected in recorded results may affect individual games.