Matchup Predictor
Compare any two Ohio teams using OSPR ratings and recorded game results.
OSPR Prediction
Context
Competition week 3
Data cutoff
Final scores through Aug 29, 2026
Games in current ratings
Mariemont 2 · Williamsburg 2
OSPR calculation
Version 2026.1
Neutral Site · Generated Sep 1, 2026 12:17 AM EDT
Version 2026.1 Live projection
Mariemont
WINNER25
Range: 7.7-42.3
Williamsburg
20
Range: 2.7-37.3
PREDICTED SPREAD
Mariemont -4.5
OVER/UNDER
44.5 points
Slow pace
CALIBRATED CONFIDENCE
High
213 comparable results
PLAUSIBLE MARGIN RANGE
Williamsburg by 29.6 to Mariemont by 39.6
The current score ranges include outcomes where either team wins.
Win estimate and confidence answer different questions.
The win estimate expresses which team the current ratings favor. High confidence based on 213 prior OSPR predictions in the 60–69% band with close calibration. Confidence uses historical calibration and sample size, while Limited Data also identifies weak current-season rating evidence. Use the plausible margin range when confidence is limited.
Matchup Analysis
Mariemont Style:
Defensive
Williamsburg Style:
Defensive
Key Matchup:
Mariemont defense vs Williamsburg offense - advantage Mariemont
Insights:
- Both teams are defense-heavy - expect low scoring slugfest
- Mariemont has momentum advantage
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