luckadjusted
Premier League Matchday 5 · 2026-27

Matchday 6 · Premier League 2015-16 · September 19, 2015

Man City 1–2 West Ham: who deserved to win?

West Ham beat Man City 2–1, but the replays lean toward Man City: 6 wins in 10 to West Ham’s 2, 2 end level. Man City made the better chances: 2.5 expected goals to 0.8.

Full time

TeamGoalsxG
Manchester City 1 2.53
West Ham United 2 0.79

September 19, 2015 · Etihad Stadium · Referee: Robert Madley

Luck index +71 West Ham very lucky · −71 Man City

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. Man City win 6, 2 end level, West Ham win 2.

  1. 1 MCI 2 WHU 1
  2. 2 MCI 1 WHU 0
  3. 3 MCI 2 WHU 1
  4. 4 MCI 2 WHU 0
  5. 5 MCI 3 WHU 0
  6. 6 MCI 5 WHU 1
  7. 7 MCI 0 WHU 0
  8. 8 MCI 2 WHU 2
  9. 9 MCI 2 WHU 4
  10. 10 MCI 2 WHU 3

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

Man City win 61%, 21% end level, West Ham win 18%. The line is what actually happened: West Ham by 1.

Show as a table
After 90 minutes in the replaysShare of replays
Man City by 3+18.9%
Man City by 217.4%
Man City by 124.4%
Draw20.8%
West Ham by 112.3%
West Ham by 24.3%
West Ham by 3+1.8%

Where the luck was

FinishingShotsGoalsExpected goalsAbove expected
Man City2712.53−1.53
West Ham620.79+1.21

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
5'Victor Moses scored from a shot0.03
30'Diafra Sakho scored from a shot0.51
46'Kevin De Bruyne scored from a shot0.06
54'Gnégnéri Yaya Touré didn’t score from a shot0.44

When it happened

Man City’s chance of winning

As low as 0% and as high as 59%. 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 Man City was ahead in it, below while West Ham was.
#WhenWhat happenedWin probability for
1 5' The game turned hereVictor Moses scored from a shotFinishing · 3% chance +24% WHU
2 30' Diafra Sakho scored from a shotFinishing · 51% chance +9% WHU
3 39' Sergio Leonel Agüero del Castillo didn’t score from a shotFinishing · 22% chance +4% WHU
4 46' Kevin De Bruyne scored from a shotFinishing · 6% chance +16% MCI
5 54' Gnégnéri Yaya Touré didn’t score from a shotFinishing · 44% chance +15% WHU
6 67' Gnégnéri Yaya Touré didn’t score from a shotFinishing · 14% chance +5% WHU
7 71' Wilfried Guemiand Bony didn’t score from a shotFinishing · 18% chance +7% WHU
8 84' Nicolás Hernán Otamendi didn’t score from a shotFinishing · 13% chance +6% WHU

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

Man City 77% · draw 15% · West Ham 8%

Final margin
West Ham by 1
Luck in goals
2.1 for West Ham
Luck-adjusted margin
Man City by 1.1
Replay with same day's form
Man City 61% · draw 21% · West Ham 18% 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). West Ham win 29% of replays (a draw counted as half).

All matchday 6 matches, 2015-16 · Man City · West Ham

More from matchday 6, 2015-16

Every match of matchday 6, 2015-16