luckadjusted
Premier League Matchday 5 · 2026-27

Matchday 4 · Premier League 2015-16 · August 30, 2015

Swansea 2–1 Man United: who deserved to win?

Swansea beat Man United 2–1, but the replays call it even: Swansea win 3 of 10, Man United 4, 3 end level. The chances were close to even (0.9 expected goals to 0.9).

Full time

TeamGoalsxG
Swansea City 2 0.93
Manchester United 1 0.90

August 30, 2015 · Swansea.com Stadium · Referee: Martin Atkinson

Luck index +51 Swansea lucky · −51 Man United

Each team’s own shots from this match, resampled into new matches 4,000 times, each a goal at its expected-goals chance: with the way both teams actually played, how often does this performance win? How the replay works

Ten replays. Swansea win 3, 3 end level, Man United win 4.

  1. 1 SWA 1 MUN 0
  2. 2 SWA 1 MUN 0
  3. 3 SWA 2 MUN 0
  4. 4 SWA 0 MUN 0
  5. 5 SWA 0 MUN 0
  6. 6 SWA 1 MUN 1
  7. 7 SWA 0 MUN 2
  8. 8 SWA 0 MUN 2
  9. 9 SWA 0 MUN 1
  10. 10 SWA 0 MUN 1

The narrowest view of luck

The same match, with only the coin flips re-rolled: every shot kept where and how it was taken, its outcome redrawn at its chance (75% of finishing counts as luck), own goals at the league’s rate.

There is no betting line for this match, and no forecast from before kickoff: matches of past seasons are replayed, not forecast.

How 4,000 replays of the 90 minutes ended

Swansea win 33%, 32% end level, Man United win 35%. The line is what actually happened: Swansea by 1.

Show as a table
After 90 minutes in the replaysShare of replays
Swansea by 3+2.8%
Swansea by 28.8%
Swansea by 121.6%
Draw31.8%
Man United by 122.6%
Man United by 29.7%
Man United by 3+2.9%

Where the luck was

FinishingShotsGoalsExpected goalsAbove expected
Swansea920.93+1.07
Man United1110.90+0.10

Own goals aren’t shots, so they’re counted on their own. A side above expected finished better than its chances, or met a goalkeeper on a bad day; 75% of the gap counts as luck (why that share).

The big chances, and every goal

MinuteChancexG
24'Gylfi Þór Sigurðsson didn’t score from a shot0.34
47'Juan Manuel Mata García scored from a shot0.11
60'André Ayew Pelé scored from a shot0.19
65'Bafétimbi Gomis scored from a shot0.10

When it happened

Swansea’s chance of winning

As low as 18% and as high as 100%. Numbers mark the biggest luck moments, listed below.

Our in-game win probability: the score and the minutes left, with goals for the rest of the match at the league’s rates. A draw counts half, as in the replays. Shaded above the middle while Swansea was ahead in it, below while Man United was.
#WhenWhat happenedWin probability for
1 20' Juan Manuel Mata García didn’t score from a shotFinishing · 14% chance +4% SWA
2 24' Gylfi Þór Sigurðsson didn’t score from a shotFinishing · 34% chance +8% MUN
3 26' Bafétimbi Gomis didn’t score from a shotFinishing · 13% chance +3% MUN
4 29' Wayne Mark Rooney didn’t score from a shotFinishing · 12% chance +4% SWA
5 47' Juan Manuel Mata García scored from a shotFinishing · 11% chance +29% MUN
6 60' The game turned hereAndré Ayew Pelé scored from a shotFinishing · 19% chance +29% SWA
7 65' Bafétimbi Gomis scored from a shotFinishing · 10% chance +32% SWA
8 73' Memphis Depay didn’t score from a shotFinishing · 9% chance +4% SWA

Adjust the assumptions

Think finishing is more skill than we do? Change how much of it counts as luck and the coin-flip replay of the 90 minutes reruns in your browser.

Only coin-flips re-rolled

Swansea 37% · draw 31% · Man United 32%

Final margin
Swansea by 1
Luck in goals
0.7 for Swansea
Luck-adjusted margin
Swansea by 0.3
Replay with same day's form
Swansea 33% · draw 32% · Man United 35% unchanged: why
How much of each is luck?

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

What counts
Flip a play

Force the other outcome, in this match and in every replay: a goal becomes a save, a chance goes in.

About these numbers

Expected goals per shot from StatsBomb’s open data; the replays, the in-game win probability and the luck shares are our own models, fitted and tested on every shot of four full league seasons and four tournaments, these matches included (methodology and validation). Swansea win 49% of replays (a draw counted as half).

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