Hardwood / Forecast Lab

The game, before the game.

A closer look at the numbers behind every matchup, with room for your own what-ifs.

Explore the matchups

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Team

Slate dates and tip-offs use Eastern time.

Pre-game forecastOct 20, 3:00 PM EDT

BOS

Boston Celtics

Away

DET

Detroit Pistons

Home

Win probability

BOSDET

43.3%56.7%

Mean score

107 – 110

Home margin

+2.6

Total points

217.6

Room for the unexpected

DET margin range: -14 to 19
Total points range: 193 to 242

Central 80% of the model’s assumed normal distribution. Negative margin means BOS wins. These ranges describe game variability; their real-world coverage has not been validated.

Expected scores are averages, not an exact-score pick. Little Caesars Arena.

What if they win?

One game added to today’s record. Season odds stay at their published values.

Game breakdown ↗

On this slate

3 games

Beyond tonight

Season outlook Playoff paths Any matchup

Ratings, recent form and schedule features inform this forecast. Confirmed lineups and injuries are not included.

See how the model measures up

Published Oct 14, 11:43 AM EDT · model 2026.08.1+6cc7e1cb

Trained through Jun 13, 8:30 PM EDT. Long-range forecasts advance scheduled rest and game load while holding observed form and ratings fixed. These are not live win probabilities.

Evidence

Sep 28, 2026, 7:54 PM UTC

Forecaster	Brier	Gap to market
Historical market	0.2070	—
This model	0.2141	+0.0071

Games scored: 14,600
Walk-forward n: 25,749
Walk-forward Brier: 0.2106
Calibration error: 0.0112

historical walk-forward; not a live published record - the historical market is better (paired bootstrap 0.00712, 95% CI [0.00571, 0.00850]). Backfilled prices have no independently verified closing timestamp. Why the market is the benchmark