2006 · Week 8

Final

49ers

San Francisco

QB Alex Smith

10·41

Bears

Chicago

QB Rex Grossman

Soldier Field · outdoors · grass · 46°F · wind 9mph

Closing spread

CHI -16

Total

41.5

Model margin

+5.3est.

CHI perspective

Push chance

1.5%est.

Win probability

  • Bears
  • 49ers

How each play moved the game.

Bears wins49ers wins

Matchup

Where the edges are

Season-long league percentiles for both sides, mirrored. The saturated side of a lopsided row holds the edge.

49ersedge mapBears
  • -0.091EPA / play-0.046
  • 39.6%Success rate40.3%
  • -0.094EPA / dropback-0.039
  • -0.088EPA / rush-0.054
  • 9.6%Explosive rate9.4%
  • -0.50CPOE-3.50
  • 33.3%Third-down rate37.7%
  • 46.1%Red-zone TD rate50.6%
  • 1.43Points / drive1.80
  • 3.1%Turnover rate3.0%

Bar length is league percentile, already oriented so longer is better. The saturated side of a lopsided row holds the edge; rows within ~12 points are washed as even.

The rivalry

SF lead 9–8 since 1999

SF have won 2 straight. Meetings average 41.3 points. CHI are 7-10 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W17CHI @ SF3842SF
2024 · W14CHI @ SF1338SF
2022 · W1SF @ CHI1019CHI
2021 · W8SF @ CHI3322SF
2018 · W16CHI @ SF149CHI
2017 · W13SF @ CHI1514SF
2016 · W13SF @ CHI626CHI
2015 · W13SF @ CHI2620SF

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Alex Smith16/2614611

Rushing

PlayerCarYdsAvgTD
Frank Gore121119.30
Alex Smith5234.60

Bears

Passing

PlayerC/AttYdsTDINT
Rex Grossman23/2925230
Brian Griese2/31100

Rushing

PlayerCarYdsAvgTD
Thomas Jones231114.81
Cedric Benson8263.31
Adrian Peterson11010.00
Jason McKie100.00
Brian Griese2-2-1.00

Where this game is likely to land

  • Model
  • Smooth (normal)
  • Betting line

Probability of each final margin. Football scoring clusters — the spikes at 3 and 7 are real, and a smooth model misses them.

line +167.4%3.2%4.9%3.3%3.0%

Positive margins favour Bears; negative favour 49ers.

Half-point at risk

1.54%

outcomes that flip if the line moves 0.5

Model home win

63.0%

Expected total

42.0est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+2.76
  • Home-field advantage+2.56
  • Quarterback adjustment0.00
  • Rest differential-0.08
  • Expected margin+5.25