luckadjusted
CFB Week 4 · 2026

Week 1 2025 · August 30, 2025

East Texas A&M at SMU, Week 1 2025: who deserved to win?

SMU beat East Texas A&M 42–13, and the replays lean its way: with the same day's form, it wins 8 of 10.

Before kickoff SMU was a 100% favorite.

Final

East Texas A&M Lions 13
SMU Mustangs 42

August 30, 2025 · Gerald J. Ford Stadium · Closing line: SMU −50.5

Luck index +21 SMU about even · −21 East Texas A&M

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 Texas A&M wins 2, SMU wins 8.

  1. 1 ETAM 35 SMU 21
  2. 2 ETAM 20 SMU 17
  3. 3 ETAM 28 SMU 31
  4. 4 ETAM 22 SMU 28
  5. 5 ETAM 13 SMU 21
  6. 6 ETAM 31 SMU 42
  7. 7 ETAM 0 SMU 14
  8. 8 ETAM 10 SMU 28
  9. 9 ETAM 14 SMU 38
  10. 10 ETAM 20 SMU 55

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 Texas A&M wins 21% of them, SMU 79%, counting the 2% still level after regulation as half each. The line is what actually happened: SMU by 29.

Show as a table
Final margin in the replaysShare of replays
East Texas A&M by 17+2.9%
East Texas A&M by 9–166.2%
East Texas A&M by 1–810.3%
Level after regulation1.8%
SMU by 1–823.8%
SMU by 9–1619.2%
SMU by 17+35.9%

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.

No play in this game swung win probability by luck.

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 +3.4 points to SMU: the final margin was SMU by 29, without the luck SMU by 25.6. 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.

  • O. Rigby, 22 yds missed · 93% expected
  • O. Rigby, 29 yds made · 86% expected
  • O. Rigby, 32 yds made · 83% expected
Bar: expected chance of a make. Filled dot: made. Open dot: missed or blocked.

Penalties: East Texas A&M 9 for 60 yards, SMU 8 for 64 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 14:07 Unsportsmanlike Conduct on SMU, 15 yards 0% ETAM +0.2 pts
Q1 13:16 False Start on East Texas A&M, 5 yards · pre-snap 0% SMU +1.8 pts
Q1 11:49 Offside on SMU, 5 yards · pre-snap 0% ETAM +0.9 pts
Q1 7:39 Holding on SMU, 10 yards 0% ETAM +1.8 pts
Q1 3:59 Holding on SMU, 10 yards 0% ETAM +1.3 pts
Q1 0:59 Ineligible Downfield on SMU, 5 yards 0% ETAM +1.3 pts
Q2 14:04 False Start on East Texas A&M, 5 yards · pre-snap 0% SMU +0.6 pts
Q2 14:03 Delay of Game on East Texas A&M, 5 yards · pre-snap 0% SMU +0.5 pts
Q2 13:01 Holding on SMU, 0 yards 0% ETAM 0.0 pts
Q2 7:10 Roughing the Passer on SMU, 14 yards 0% ETAM +1.6 pts
Q2 5:20 Personal Foul on East Texas A&M, 15 yards 0% SMU +0.8 pts
Q2 4:47 Offside on East Texas A&M, 5 yards · pre-snap 0% SMU +0.5 pts
Q3 8:55 False Start on East Texas A&M, 5 yards · pre-snap 0% SMU +1.1 pts
Q3 8:26 Delay of Game on East Texas A&M, 5 yards · pre-snap 0% SMU +0.7 pts
Q3 2:18 Holding on East Texas A&M, 10 yards 0% SMU +2.3 pts
Q4 14:12 False Start on SMU, 5 yards · pre-snap 0% ETAM +0.7 pts
Q4 11:16 False Start on East Texas A&M, 5 yards · pre-snap 0% SMU +0.7 pts

When it happened

SMU’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 SMU was ahead in it, below while East Texas A&M was.
#WhenWhat happenedWin probability forNext drive
1 Q1 12:09 East Texas A&M converted 3rd & 63rd & 4th downs · 35% expected +0% ETAM ETAM: Punt
2 Q1 7:39 Holding on SMU, 10 yardsJudgment calls +0% ETAM ETAM: Punt
3 Q1 5:32 Return touchdown by SMUSpecial teams +0% SMU SMU: Turnover
4 Q1 1:13 O. Rigby missed a 22-yard field goalKicks · 93% expected for him +0% SMU ETAM: Opp touchdown
5 Q1 0:59 Ineligible Downfield on SMU, 5 yardsJudgment calls +0% ETAM ETAM: Opp touchdown
6 Q3 12:23 East Texas A&M converted 3rd & 13rd & 4th downs · 74% expected +0% ETAM ETAM: Punt
7 Q3 11:02 East Texas A&M converted 3rd & 113rd & 4th downs · 23% expected +0% ETAM ETAM: Punt
8 Q3 9:32 Return touchdown by SMUSpecial teams +0% SMU SMU: Turnover on downs

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 Texas A&M 0% · SMU 100%

Final margin
SMU by 29
Luck in points
3.4 for SMU
Luck-adjusted margin
SMU by 25.6
Replay with same day's form
East Texas A&M 21% · SMU 79% 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 2025 games · East Texas A&M · SMU

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