luckadjusted
CFB Week 4 · 2026

Week 1 2026 · September 5, 2026

East Carolina at Alabama, Week 1 2026: who deserved to win?

Alabama beat East Carolina 48–10, and the replays back it up: with the way both teams actually played, Alabama wins 10 of 10.

Before kickoff Alabama was a 97% favorite.

Final

East Carolina Pirates 10
Alabama Crimson Tide 48

September 5, 2026 · Bryant-Denny Stadium · Closing line: Alabama −28.5

Luck index +1 Alabama about even · −1 East Carolina

Each team’s own plays from this game, resampled into new drives 4,000 times: with the way both teams actually played, how often does this performance win? How the replay works

Ten replays. East Carolina wins 0, Alabama wins 10.

  1. 1 ECU 17 ALA 24
  2. 2 ECU 7 ALA 22
  3. 3 ECU 7 ALA 26
  4. 4 ECU 17 ALA 38
  5. 5 ECU 0 ALA 24
  6. 6 ECU 3 ALA 31
  7. 7 ECU 7 ALA 38
  8. 8 ECU 7 ALA 42
  9. 9 ECU 3 ALA 41
  10. 10 ECU 0 ALA 45

Three other ways to ask

Each answers a different question, so none of them replaces the replay above.

The closing betting line, turned into a probability. What everyone knew before the game.

The line plus what this game showed, weighted by how much one game can tell. It stays close to the line because one game says little.

Every kick, fumble bounce, conversion and judgment call redrawn; everything else fixed. The narrowest view of luck.

How 4,000 replays ended

East Carolina wins 1% of them, Alabama 99%. The line is what actually happened: Alabama by 38.

Show as a table
Final margin in the replaysShare of replays
East Carolina by 17+0.1%
East Carolina by 9–160.1%
East Carolina by 1–80.9%
Level after regulation0.3%
Alabama by 1–84.0%
Alabama by 9–167.4%
Alabama by 17+87.3%

Where the luck was

What the luck was worth

Every lucky and unlucky play, weighted by the moment it happened: its swing in win probability, added up by kind. A missed kick in a decided game counts for nothing; the same kick at the end of a tie game can be most of a win.

Swings add up across a game, so in one that went back and forth they can pass 100%. On the scoreboard the same luck was worth +16.8 points to Alabama: the final margin was Alabama by 38, without the luck Alabama by 21.2. Luck shares are the fitted ones (how much of each kind is luck).

The kicks

How likely each kicker was to make that kick (his own record, the distance), and what happened.

  • C. Talty, 41 yds made · 69% expected
  • N. Perez, 34 yds made · 82% expected
  • C. Talty, 21 yds made · 93% expected
Bar: expected chance of a make. Filled dot: made. Open dot: missed or blocked.

Penalties: East Carolina 7 for 61 yards, Alabama 6 for 30 yards

Every accepted flag, in order, and what it did to the helped team’s chance of winning at that moment, including any play it wiped out (points on the scoreboard in grey). A flag in a decided game is worth nothing; one at the turn of a close game can be worth most of a win. Judgment calls count toward luck, pre-snap fouls mostly don’t. How calls are valued

WhenFlagWin probability for
Q1 11:08 Delay of Game on Alabama, 5 yards · pre-snap 0% ECU +0.7 pts
Q1 6:12 Illegal Forward Pass on Alabama, 5 yards 0% ECU +0.3 pts
Q1 6:02 Roughing the Passer on East Carolina, 15 yards +1% ALA +2.4 pts
Q1 5:50 False Start on Alabama, 5 yards · pre-snap 0% ECU +0.8 pts
Q1 4:12 Delay of Game on Alabama, 5 yards · pre-snap 0% ALA +0.9 pts
Q1 2:12 Face Mask on East Carolina, 15 yards 0% ALA +0.9 pts
Q2 14:54 Offside on East Carolina, 5 yards · pre-snap 0% ALA +2.8 pts
Q2 9:59 Illegal Formation on East Carolina, 5 yards · pre-snap 0% ALA +0.7 pts
Q2 9:15 Personal Foul on East Carolina, 12 yards 0% ALA +1.0 pts
Q2 3:54 Intentional Grounding on Alabama, 0 yards 0% ECU 0.0 pts
Q2 0:33 Offside on East Carolina, 4 yards · pre-snap 0% ALA +2.7 pts
Q3 10:46 Holding on Alabama, 10 yards 0% ECU +0.6 pts
Q3 4:54 False Start on East Carolina, 5 yards · pre-snap 0% ALA +0.8 pts

When it happened

Alabama’s chance of winning

Numbers mark the biggest luck moments, listed below.

Our in-game win probability: the score, the value of the possession and the time left, starting from the betting line. Overtime has no clock and is drawn at a fixed width. Shaded above the middle while Alabama was ahead in it, below while East Carolina was.
#WhenWhat happenedWin probability forNext drive
1 Q1 13:43 Alabama converted 3rd & 63rd & 4th downs · 37% expected +1% ALA ALA: Field goal
2 Q1 11:08 Delay of Game on Alabama, 5 yardsPre-snap flags +0% ECU ECU: Punt
3 Q1 9:30 C. Talty made a 41-yard field goalKicks · 69% expected for him +0% ALA ALA: Touchdown
4 Q1 8:51 East Carolina was stopped on 3rd & 13rd & 4th downs · 78% expected +0% ALA ECU: Punt
5 Q1 6:02 Roughing the Passer on East Carolina, 15 yardsJudgment calls +1% ALA ALA: Touchdown
6 Q2 14:54 Offside on East Carolina, 5 yardsPre-snap flags +0% ALA ALA: Touchdown
7 Q2 12:36 Alabama converted 3rd & 113rd & 4th downs · 24% expected +0% ALA ALA: Touchdown
8 Q2 9:15 Personal Foul on East Carolina, 12 yardsJudgment callsReturn touchdown by AlabamaSpecial teams +0% ALA ALA: Touchdown

Adjust the assumptions

Disagree with how much of a fumble bounce or a pass interference call is luck? Change it and the coin-flip replay reruns in your browser.

Only coin-flips re-rolled

East Carolina 0% · Alabama 100%

Final margin
Alabama by 38
Luck in points
16.8 for Alabama
Luck-adjusted margin
Alabama by 21.2
Replay with same day's form
East Carolina 1% · Alabama 99% unchanged: why
How much of each is luck?

0% treats it as skill, 100% as pure luck. The tick is our fit.

What counts

None by default: our tests measured no carryover after a lucky break. Slide it up to count a break for more than its own swing. Why

Flip a play

Force the other outcome, in this game and in every replay: a made kick becomes a miss, a stop becomes a conversion, a flag goes the other way.

About these numbers

Play-by-play and expected points from CollegeFootballData.com via cfbfastR; win probability from our own model of the score, the possession and the betting line; kicks valued against each kicker’s own record. College play-by-play has no charting of drops or interception-worthy throws and no injury reports, so those kinds of luck aren’t counted here.

Methodology and validation · All Week 1 2026 games · East Carolina · Alabama

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