El ColegiadoData on refereeing in the Liga

Alfonso Álvarez × Real Betis

20 matches of Real Betis refereed by Alfonso Javier Álvarez Izquierdo, from 2006-07 to 2017-18.

Report an error on this pageReal Betis pageOpen in the Explorer
Real Betis

Alfonso Álvarez

Real Betis

inconclusive

Inconclusive does not mean "no effect": with 20 matches, only a deviation of about ±1.16 points per match could have been detected.

Record

20matches

5 W8 D7 L

Points − expected points

−2.7pts over 20 matches

23 points obtained for 25.7 expected from the odds, i.e. −0.134 per match.

Points distribution from the odds

If only the odds mattered, over these 20 matches

Points obtained

23

Expected (odds)

25.7

Deviation

−2.7

two-sided p

0.70

Expected 25.7 ± 5.5 pts · probability of a deviation at least this large, in either direction: 70%.

For / against, per match

Real Betis against its opponents, with Alfonso Álvarez

0.15
Penalties won
0.25
2.90
Yellows received
3.25
0.20
Reds received
0.00
14.4
Fouls called against
16.3

Tests on the 5 measures

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

MeasureDeviationpqVerdict
Points − expected−0.1340.701.00inconclusive
Penalty balance−0.0590.761.00inconclusive
Red-card balance−0.1990.131.00inconclusive
Yellow-card balance+0.3660.451.00inconclusive
Foul balance+2.1290.100.90inconclusive

Appointments

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

Observed

20

Expected

20.3

p / q

1.00 / 1.00

inconclusive 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)

Matches

The 20 matches

From Real Betis's point of view.

Loading 20 matches…

20 matches · data file: /data/paires/alvarez-izquierdo/real-betis.json