Model picked SF but CHI won. Projected margin was 6.7, the model overestimated by 15.7 points.
INSTANT CLASSIC
The win probability swung past 50% 6 times. One of the wildest games of the week.
ATS MISS
Missed the spread by 15.5 points.
Every model misses. The edge comes from the aggregate, not any single game.
BETTING LINE
SOURCE
SF
CHI
Closing line
-248
+217
Our fair price
-222
+222
Our fair price carries no vig, so it is what the bet is worth, not what anyone will offer you.
SPREAD SF -6.5 · nflverse market average, not one book's number
RESULT Lost · -$1.00
OUR NUMBER
69%
MARKET, VIG REMOVED
69%
DIFFERENCE
-0%
Both figures are for SF. The market number strips the margin out first, so the two sides are measured the same way.
SITUATIONAL TRENDS
Historical splits, shown for context only. We tested them: picking the situations that beat break-even in training goes 770–760 (50.3%) out of sample, so they are not a betting signal and are not coloured like one.
Our model takes San Francisco 49ers at 69% win probability, a Tier B pick. The margin models project SF by 6.7. The market has SF at -6.5.
Week 1 of the 2022 season, SUN 1:00 PM.
San Francisco 49ers, CHI 38, SF 42 in Week 17 of 2025.
By net EPA per play over the 2022 season, San Francisco 49ers: SF +0.211 against CHI -0.164.
WHAT PRO ADDS
Every stat on this page is free, and so is the model's pick for this game. Pro is the separate question of which games we would actually bet, and at what stake, plus player props, unit sizing, and the full profit-and-loss ledger.