luckadjusted
La Liga Matchday 7 · 2026-27

Matchday 2 · La Liga 2015-16 · August 29, 2015

Real Sociedad 0–0 Sporting: who deserved to win?

Real Sociedad and Sporting drew 0–0. Replayed with the way both teams played, Real Sociedad win 5 of 10, Sporting 1, and 4 end level. Real Sociedad made the better chances: 0.9 expected goals to 0.2.

Full time

TeamGoalsxG
Real Sociedad 0 0.91
Sporting Gijón 0 0.23

August 29, 2015 · Reale Arena · Referee: José María Sánchez Martínez

Luck index −21 Real Sociedad about even for the draw

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. Real Sociedad win 5, 4 end level, Sporting win 1.

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

Real Sociedad win 52%, 37% end level, Sporting win 11%. The line is what actually happened: Draw.

Show as a table
After 90 minutes in the replaysShare of replays
Real Sociedad by 3+5.6%
Real Sociedad by 214.3%
Real Sociedad by 132.3%
Draw37.0%
Sporting by 19.2%
Sporting by 21.5%
Sporting by 3+0.1%

Where the luck was

FinishingShotsGoalsExpected goalsAbove expected
Real Sociedad1400.91−0.91
Sporting700.23−0.23

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).

When it happened

Real Sociedad’s chance of winning

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 Real Sociedad was ahead in it, below while Sporting was.
#WhenWhat happenedWin probability for
1 11' Miguel Ángel Guerrero Martín didn’t score from a shotFinishing · 8% chance +2% RSO
2 14' Jonathas Cristian de Jesus didn’t score from a shotFinishing · 7% chance +2% SPO
3 32' Carlos Alberto Vela Garrido didn’t score from a shotFinishing · 24% chance +6% SPO
4 52' Sergio Álvarez Díaz didn’t score from a shotFinishing · 5% chance +2% RSO
5 54' Jonathas Cristian de Jesus didn’t score from a shotFinishing · 7% chance +2% SPO
6 67' Jonathas Cristian de Jesus didn’t score from a shotFinishing · 22% chance +8% SPO
7 79' Markel Bergara Larrañaga didn’t score from a shotFinishing · 4% chance +2% SPO
8 91' Íñigo Martínez Berridi didn’t score from a shotFinishing · 4% chance +2% SPO

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

Real Sociedad 53% · draw 36% · Sporting 10%

Final margin
even
Luck in goals
0.5 for Sporting
Luck-adjusted margin
Real Sociedad by 0.5
Replay with same day's form
Real Sociedad 52% · draw 37% · Sporting 11% unchanged: why
How much of each is luck?

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

What counts

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).

All matchday 2 matches, 2015-16 · Real Sociedad · Sporting

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