2006 · Week 4

Final

49ers

San Francisco

QB Alex Smith

0·41

Chiefs

Kansas City

QB Damon Huard

Arrowhead Stadium · outdoors · grass · 82°F · wind 15mph

Closing spread

KC -7

Total

39

Model margin

+5.1est.

KC perspective

Push chance

4.9%est.

the line sits on a key number

Win probability

  • Chiefs
  • 49ers

How each play moved the game.

Chiefs 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 mapChiefs
  • -0.091EPA / play-0.009
  • 39.6%Success rate41.1%
  • -0.094EPA / dropback+0.031
  • -0.088EPA / rush-0.050
  • 9.6%Explosive rate9.0%
  • -0.50CPOE+3.07
  • 33.3%Third-down rate41.1%
  • 46.1%Red-zone TD rate57.2%
  • 1.43Points / drive1.66
  • 3.1%Turnover rate2.3%

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

KC lead 7–3 since 1999

KC have won 5 straight. Meetings average 45.5 points. KC are 8-2 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2024 · W7KC @ SF28–18KC
2023 · playoffsSF @ KC22–25KC
2022 · W7KC @ SF44–23KC
2019 · playoffsSF @ KC20–31KC
2018 · W3SF @ KC27–38KC
2014 · W5KC @ SF17–22SF
2010 · W3SF @ KC10–31KC
2002 · W10KC @ SF13–17SF

Possession by possession

How it unfolded

Every drive: who had the ball, how far it went, how it ended, and the score as it settled.

Drive-by-drive log
BallStartPlaysYardsResultSF–KC
KCQ1 15:001073Touchdown0–7
SFQ1 8:5532Turnover0–7
KCQ1 6:42621Field goal0–10
SFQ1 4:08532Punt0–10
KCQ1 1:23523Punt0–10
SFQ2 13:24614Punt0–10
KCQ2 9:52929Touchdown0–17
SFQ2 5:16522Turnover0–23
KCQ2 3:11134Touchdown0–24
SFQ2 3:051243Missed field goal0–24
SFQ3 15:0000Field goal0–24
KCQ3 14:49520Field goal0–27
SFQ3 11:47815Punt0–27
KCQ3 7:14731Punt0–27
SFQ3 3:4937Punt0–27
KCQ3 2:41850Touchdown0–34
SFQ4 14:2039Punt0–34
KCQ4 12:34848Punt0–34
SFQ4 6:5839Opp touchdown0–41
SFQ4 5:3936Punt0–41
KCQ4 3:5437Punt0–41
SFQ4 2:1226Turnover0–41
KCQ4 1:4900End of half0–41

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Alex Smith13/259202

Rushing

PlayerCarYdsAvgTD
Frank Gore14654.60
Alex Smith3155.00

Chiefs

Passing

PlayerC/AttYdsTDINT
Damon Huard18/2320820

Rushing

PlayerCarYdsAvgTD
Larry Johnson301013.42
Ronnie Cruz4153.80
Dee Brown284.00
Damon Huard144.00
Brodie Croyle3-3-1.00

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 +73.5%6.4%7.4%3.2%4.9%3.3%3.0%

Positive margins favour Chiefs; negative favour 49ers.

Half-point at risk

4.94%

outcomes that flip if the line moves 0.5

Model home win

62.7%

Expected total

44.1est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+2.02
  • Home-field advantage+2.56
  • Quarterback adjustment0.00
  • Rest differential+0.56
  • Expected margin+5.14