luckadjusted
La Liga Matchday 7 · 2026-27

Matchday 25 · La Liga 2015-16 · February 21, 2016

Athletic 0–1 Real Sociedad: who deserved to win?

Real Sociedad beat Athletic 1–0, but the replays call it even: Real Sociedad win 3 of 10, Athletic 3, 4 end level. The chances were close to even (0.8 expected goals to 0.6).

Full time

TeamGoalsxG
Athletic Club 0 0.80
Real Sociedad 1 0.63

February 21, 2016 · San Mamés Barria · Referee: José María Sánchez Martínez

Luck index +49 Real Sociedad lucky · −49 Athletic

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. Athletic win 3, 4 end level, Real Sociedad win 3.

  1. 1 ATH 2 RSO 1
  2. 2 ATH 2 RSO 1
  3. 3 ATH 2 RSO 0
  4. 4 ATH 1 RSO 1
  5. 5 ATH 0 RSO 0
  6. 6 ATH 1 RSO 1
  7. 7 ATH 0 RSO 0
  8. 8 ATH 0 RSO 2
  9. 9 ATH 0 RSO 1
  10. 10 ATH 1 RSO 2

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

Athletic win 30%, 38% end level, Real Sociedad win 32%. The line is what actually happened: Real Sociedad by 1.

Show as a table
After 90 minutes in the replaysShare of replays
Athletic by 3+1.9%
Athletic by 26.6%
Athletic by 121.3%
Draw38.3%
Real Sociedad by 122.0%
Real Sociedad by 27.2%
Real Sociedad by 3+2.7%

Where the luck was

FinishingShotsGoalsExpected goalsAbove expected
Athletic1000.80−0.80
Real Sociedad910.63+0.37

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
16'Jonathas Cristian de Jesus scored from a shot0.10

When it happened

Athletic’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 Athletic was ahead in it, below while Real Sociedad was.
#WhenWhat happenedWin probability for
1 11' Asier Illarramendi Andonegi didn’t score from a shotFinishing · 13% chance +3% ATH
2 16' The game turned hereJonathas Cristian de Jesus scored from a shotFinishing · 10% chance +24% RSO
3 30' Jonathas Cristian de Jesus didn’t score from a shotFinishing · 16% chance +3% ATH
4 50' Raúl García Escudero didn’t score from a shotFinishing · 11% chance +4% RSO
5 59' Beñat Etxebarria Urkiaga didn’t score from a shotFinishing · 8% chance +3% RSO
6 62' Aymeric Laporte didn’t score from a shotFinishing · 16% chance +6% RSO
7 66' Aritz Aduriz Zubeldia didn’t score from a shotFinishing · 9% chance +3% RSO
8 71' Iker Muniain Goñi didn’t score from a shotFinishing · 18% chance +7% RSO

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

Athletic 36% · draw 36% · Real Sociedad 28%

Final margin
Real Sociedad by 1
Luck in goals
0.9 for Real Sociedad
Luck-adjusted margin
Real Sociedad by 0.1
Replay with same day's form
Athletic 30% · draw 38% · Real Sociedad 32% 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). Real Sociedad win 51% of replays (a draw counted as half).

All matchday 25 matches, 2015-16 · Athletic · Real Sociedad

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