El ColegiadoData on refereeing in the Liga

Cordero Vega × Real Betis

10 matches of Real Betis refereed by Adrián Cordero Vega, from 2018-19 to 2025-26.

In short

Cordero Vega has refereed 10 Liga matches of Real Betis, from 2018-19 to 2025-26: 5 wins, 2 draws and 3 defeats, a 50% win rate. With other referees, over the same seasons, Real Betis wins 40% of its matches.

  • Penalties won per match0.22opponents: 0.11 · with other referees: 0.19
  • Yellow cards received per match2.30opponents: 1.90 · with other referees: 2.28

Verdict: no clear difference once team strength is taken into account.

Once the strength of both teams is taken into account (using bookmakers' odds), the data show no clear difference with this referee.

Win rates do not account for the strength of opponents; the conclusion does.

Real Betis

Cordero Vega

Real Betis

no clear differencesmall sample

Record

10matches

5 W2 D3 L

For / against, per match

Real Betis against its opponents, with Cordero Vega

0.22
Penalties won
0.11
2.30
Yellows received
1.90
0.10
Reds received
0.10
10.8
Fouls called against
12.1
For experts: statistical tests and method

Comparison with bookmakers' odds, corrected p-values and appointments. Nothing is hidden: the full detail is here.

No clear difference does not mean "no effect": with 10 matches, only a deviation of about ±1.65 points per match could have been detected.

Points − expected points

+0.9pts over 10 matches

17 points obtained for 16.1 expected from the odds, i.e. +0.091 per match.

Points distribution from the odds

If only the odds mattered, over these 10 matches

Points obtained

17

Expected (odds)

16.1

Deviation

+0.9

two-sided p

0.92

Expected 16.1 ± 4.0 pts · probability of a deviation at least this large, in either direction: 92%.

Tests on the 5 measures

Deviation per match, raw p and corrected q (Benjamini-Hochberg, all pairs)

MeasureDeviationpqVerdict
Points − expected+0.0910.931.00no clear difference
Penalty balance+0.0730.921.00no clear difference
Red-card balance+0.0081.001.00no clear difference
Yellow-card balance−0.6970.291.00no clear difference
Foul balance−1.0080.590.97no clear difference

Appointments

The club's matches assigned to this referee, observed vs expected

Observed

10

Expected

11.2

p / q

0.88 / 1.00

no clear difference Seasons without a known referee for every match are not counted.

Matches per season

Number of matches (bars) and the season's points − expected deviation (hover)

VAR
Matches

The 10 matches

From Real Betis's point of view.

Date
Season2025-26
ScoreW3–0
Pen. for–against—
Yellows received–opp.0–0
Reds received–opp.0–0
Date
Season2024-25
ScoreL1–4
Pen. for–against0–0
Yellows received–opp.1–1
Reds received–opp.0–0
Date
Season2024-25
ScoreL0–1
Pen. for–against0–0
Yellows received–opp.4–2
Reds received–opp.0–0
Date
Season2021-22
ScoreD0–0
Pen. for–against0–0
Yellows received–opp.1–1
Reds received–opp.0–0
Date
Season2020-21
ScoreD1–1
Pen. for–against1–0
Yellows received–opp.4–1
Reds received–opp.0–0
Date
Season2020-21
ScoreW2–0
Pen. for–against0–0
Yellows received–opp.2–2
Reds received–opp.1–0
Date
Season2019-20
ScoreL1–2
Pen. for–against0–0
Yellows received–opp.3–2
Reds received–opp.0–0
Date
Season2019-20
ScoreW3–0
Pen. for–against0–0
Yellows received–opp.3–1
Reds received–opp.0–0
Date
Season2018-19
ScoreW2–1
Pen. for–against0–1
Yellows received–opp.3–5
Reds received–opp.0–1
Date
Season2018-19
ScoreW3–2
Pen. for–against1–0
Yellows received–opp.2–4
Reds received–opp.0–0
10 rows