2013 · Week 13 · Division

Final

Rams

St. Louis

QB Kellen Clemens

13·23

49ers

San Francisco

QB Colin Kaepernick

Candlestick Park · outdoors · grass · 59°F · wind 6mph

Closing spread

SF -7.5

Total

40.5

Model margin

+4.0est.

SF perspective

Push chance

None

half-point line — cannot push

Win probability

  • 49ers
  • Rams

How each play moved the game.

49ers winsRams wins

Matchup

Where the edges are

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

The rivalry

SF lead 31–24–1 since 1999

Meetings average 43.4 points. SF are 31-23-2 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2026 · W1SF @ LA277SF
2025 · W10LA @ SF4226RAMS
2025 · W5SF @ LA2623SF
2024 · W15LA @ SF126RAMS
2024 · W3SF @ LA2427RAMS
2023 · W18LA @ SF2120RAMS
2023 · W2SF @ LA3023SF
2022 · W8SF @ LA3114SF

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Colin Kaepernick19/2827510

Rushing

PlayerCarYdsAvgTD
Frank Gore15422.81
Colin Kaepernick4215.30
Anthony Dixon8131.60
Kendall Hunter372.30

Receiving

PlayerRecTgtYdsTD
Anquan Boldin913980
Vernon Davis45821
Michael Crabtree24680
Frank Gore2270

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 +7.53.7%6.7%7.5%3.2%4.9%3.2%2.9%

Positive margins favour 49ers; negative favour Rams.

Half-point at risk

2.16%

outcomes that flip if the line moves 0.5

Model home win

59.7%

Expected total

43.8est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+1.56
  • Home-field advantage+2.49
  • Quarterback adjustment0.00
  • Rest differential-0.08
  • Expected margin+3.97

One or both ratings are carry-over priors — no games have been played this season yet, so treat this as a starting assumption rather than a read.