luckadjusted
CFB Week 4 · 2026

Week 1 2025 · August 30, 2025

Colorado State at Washington, Week 1 2025: who deserved to win?

Washington beat Colorado State 38–21, and the replays back it up: with the way both teams actually played, Washington wins 10 of 10.

Before kickoff Washington was a 91% favorite.

Final

Colorado State Rams 21
Washington Huskies 38

August 30, 2025 · Husky Stadium · Closing line: Washington −20.5

Luck index +4 Washington about even · −4 Colorado State

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. Colorado State wins 0, Washington wins 10.

  1. 1 CSU 20 WASH 23
  2. 2 CSU 13 WASH 21
  3. 3 CSU 17 WASH 28
  4. 4 CSU 7 WASH 23
  5. 5 CSU 17 WASH 35
  6. 6 CSU 9 WASH 30
  7. 7 CSU 17 WASH 42
  8. 8 CSU 13 WASH 42
  9. 9 CSU 14 WASH 49
  10. 10 CSU 6 WASH 49

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

Colorado State wins 4% of them, Washington 96%, counting the 1% still level after regulation as half each. The line is what actually happened: Washington by 17.

Show as a table
Final margin in the replaysShare of replays
Colorado State by 17+0.4%
Colorado State by 9–160.8%
Colorado State by 1–82.2%
Level after regulation0.5%
Washington by 1–88.4%
Washington by 9–1615.3%
Washington by 17+72.3%

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 +0.3 points to Washington: the final margin was Washington by 17, without the luck Washington by 16.7. Luck shares are the fitted ones (how much of each kind is luck).

Penalties: Colorado State 4 for 15 yards, Washington 5 for 24 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 13:40 False Start on Colorado State, 5 yards · pre-snap 0% WASH +0.7 pts
Q1 7:00 Face Mask on Washington, 2 yards +1% CSU +0.8 pts
Q1 2:11 False Start on Washington, 5 yards · pre-snap +1% CSU +0.6 pts
Q2 10:52 Illegal Substitution on Colorado State, 0 yards · pre-snap 0% CSU 0.0 pts
Q2 9:03 False Start on Washington, 0 yards · pre-snap 0% CSU 0.0 pts
Q2 1:34 Illegal Formation on Colorado State, 5 yards · pre-snap +1% WASH +0.7 pts
Q3 8:06 Pass Interference on Washington, 12 yards +1% CSU +0.6 pts
Q4 7:31 False Start on Washington, 5 yards · pre-snap 0% CSU +0.5 pts
Q4 4:41 False Start on Colorado State, 5 yards · pre-snap 0% WASH +0.5 pts

When it happened

Washington’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 Washington was ahead in it, below while Colorado State was.
#WhenWhat happenedWin probability forNext drive
1 Q1 13:40 Colorado State was stopped on 3rd & 43rd & 4th downs · 49% expectedFalse Start on Colorado State, 5 yardsPre-snap flags +2% WASH CSU: Punt
2 Q2 14:47 Colorado State was stopped on 3rd & 23rd & 4th downs · 64% expected +2% WASH CSU: Punt
3 Q2 11:12 Washington converted 3rd & 73rd & 4th downs · 36% expected +2% WASH WASH: Touchdown
4 Q3 9:46 Colorado State converted 3rd & 63rd & 4th downs · 39% expected +3% CSU CSU: Touchdown
5 Q3 8:29 Colorado State converted 3rd & 193rd & 4th downs · 17% expected +4% CSU CSU: Touchdown
6 Q3 6:22 Washington converted 3rd & 123rd & 4th downs · 26% expected +6% WASH WASH: Touchdown
7 Q3 4:18 Washington converted 3rd & 43rd & 4th downs · 50% expected +2% WASH WASH: Touchdown
8 Q4 10:22 Colorado State converted 4th & 103rd & 4th downs · 28% expected +4% CSU CSU: 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

Colorado State 0% · Washington 100%

Final margin
Washington by 17
Luck in points
0.3 for Washington
Luck-adjusted margin
Washington by 16.7
Replay with same day's form
Colorado State 4% · Washington 96% 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 · Colorado State · Washington

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