PlayDecoded
Menu

Arizona Diamondbacks at Chicago Cubs

MLBregular • 2026 Season
completed
Cubs logo
Cubs
Chicago
6
vs
Diamondbacks logo
Diamondbacks
Arizona
5
CHC 55%45% ARI
Prediction Confidence:
Moderate

Chicago Cubs 55% to win. The biggest signal favoring Cubs:

  • Home Field Advantage. Base home field advantage applied (no detailed stats available)

What would change the call

Win probability as of kickoff if a leading factor were even

  • If the home-field edge were neutral: CHC 52% (−3)

Win probability movement

CHC home win probability as the model updated before the game

Home win probability movement61%55%50%Apr 28May 1

Labels mark updates of 5 points or more, named by the factor that moved most.

Make Your Prediction

View leaderboard to see rankings

VenueWrigley Field
Chicago, Illinois

Team Comparison

Head-to-head snapshot based on our model inputs

Diamondbacks (away)
Cubs (home)
45%
Win probability
55%
0
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Cubs defeated the Diamondbacks 6-5.

Our model predicted the Cubs would win with 55% confidence -- and they delivered. A close call, but the model's slight lean proved correct.

Looking at the factors our model weighed:

  • Home Field Advantage favored the Cubs and was a notable factor: Base home field advantage applied (no detailed stats available)
  • Injuries was neutral and a contributing factor: Similar injury situations: Cubs (0 out) vs Diamondbacks (0 out)
  • Rest Days was neutral and a contributing factor: Similar rest: Cubs (1 day rest) vs Diamondbacks (1 day rest)

This analysis was generated from our model's pre-game assessment compared against the actual result. Factor accuracy helps improve future predictions.

Cubs won 6-5

Cubs won in a close game

Prediction CorrectWe predicted Cubs at 55%

Key Factors

What's driving the win probability for this game

  • Home Field AdvantageFavors Chicago Cubs
  • InjuriesNeutral
  • Rest DaysNeutral
  • Weather ImpactNeutral
  • Offensive EfficiencyNeutral
  • Defensive EfficiencyNeutral
Sign in to see factor scores, charts, and what-if simulations

What's Driving This Game

Each factor's contribution to the final win probability

ARI
CHC
Home Field Advantage
Favours ARI|Favours CHC

Premium feature: factor breakdown

Start 14-day free trial →

Model vs. Market

Comparing our model against market-implied probabilities

Cubs

Our Model55%

Diamondbacks

Our Model45%

Understanding the win probability calculation

1 factor not shown (insufficient data)

Model version: 1.0.0 • Calculated: 5/1/2026, 8:45:00 AM

Key Players

Diamondbacks

Michael SorokaSP
Ryne NelsonSP
Jose CabreraSP
Kohl DrakeSP
Eduardo RodriguezSP

Cubs

Aaron CivaleRP
David PetersonSP
Kevin GausmanSP
Shota ImanagaSP
Colin ReaSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Cubs has a 55% win probability, while Diamondbacks has a 45% win probability based on our analysis.

Our model considers weather conditions, offensive and defensive efficiency, rest days, injury impact, and historical performance.

This game is being played at Wrigley Field in Chicago, Illinois.

View all MLB games