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NFL · Week 16 · 2026 Upcoming

49ers at Chiefs

Sun, 27 Dec 2026 · 21:25 UTC
San Francisco 49ers logo
San Francisco
49ers
6-1 · L1
@
Kansas City Chiefs logo
Kansas City
Chiefs
5-1 · L1
San Francisco 49ers to win 56% win probability · projected 23–21 · Lean

Win Probabilities

From the engine's power ratings, adjusted for home field and rest, then mapped through the margin distribution. Not a blend of the market — this is our own number.

SF 56%
KC 44%
Projected score
23–21
SF at KC
Projected margin
-2.0
home perspective
Projected total
44.9
combined points
Confidence
Lean
published before kickoff

Matchup Facts

Venue and rest come from the schedule feed and feed directly into the model; surface and weather are context we show but don't yet model.

Venue
GEHA Field at Arrowhead Stadium
Roof
Outdoors
Surface
Grass
Rest · SF
10 days
Rest · KC
6 days

Recent Form

Last five completed games this season, most recent first.

San Francisco 49ers

L @ ATL 20–29
W vs WAS 23–17
W @ SEA 32–29
W vs DEN 24–14
W vs ARI 36–30

Kansas City Chiefs

L @ SEA 3–20
W vs LAC 22–6
W @ LV 30–27
W @ MIA 24–10
W vs IND 33–30

Season Scoring

Points per game either side of the ball, 2026 season to date.

SF · scored
28.1
per game · 7 played
SF · allowed
19.9
per game
KC · scored
23.8
per game · 6 played
KC · allowed
17.2
per game

How The Model Sees It

Our rating has San Francisco 49ers as the stronger side by 74 rating points, which on its own is worth about 3.0 points on the scoreboard (SF 1,635, KC 1,561).

Home field adds 1.4 points to KC — a measured figure from our backtest, not the traditional three, because home advantage in the modern NFL is considerably smaller than it used to be. Rest shifts it a further -0.4 points (SF 10 days, KC 6).

That lands on a projected margin of -2.0, and running that through the historical spread of actual results against projections gives San Francisco 49ers at 56%.

No betting line has been posted for this game yet — books typically price about three weeks ahead. Until one appears, this page shows the engine's number with nothing to compare it against, which is exactly the situation the model is most useful in.

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