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⚽ Team Analysis
PortsmouthReferee Analysis
Analysis of 209 referees across 1000 matches
209
Referees
1000
Matches
⚠️
Most Biased Against
F Hallam
Bias Score: -45.0%•3 games
✅
Most Favorable
T. A. Parkes
Bias Score: +55.0%•1 games
Our comprehensive referee bias analysis for Portsmouth examines 209 referees across 1000 matches, revealing fascinating patterns in how different officials impact the team's performance. The data shows a 100.0 percentage point spread between the most favorable and most biased referees, with some officials showing particularly notable negative patterns. F Hallam ranks as the most biased against Portsmouth with a -45.0% bias score over 3 matches. Conversely, T. A. Parkes has overseen the team's best performances with a +55.0% bias score. This analysis helps football fans, bettors, and fantasy managers understand historical referee-team dynamics and make more informed decisions.
All Referees Ranked by Bias
#
Referee
Games
Win Rate
Bias Score
🟨/G
Verdict
1
#1N Miller
7
0.0%
-45.0%
1.0
🚨 Strong Bias
Games
7
Win Rate
0.0%
Bias Score
-45.0%
2
#2K Friend
6
0.0%
-45.0%
2.7
🚨 Strong Bias
Games
6
Win Rate
0.0%
Bias Score
-45.0%
3
#3S Bennett
16
12.5%
-32.5%
1.8
🚨 Strong Bias
Games
16
Win Rate
12.5%
Bias Score
-32.5%
4
#4S Purkiss
7
14.3%
-30.7%
2.0
🚨 Strong Bias
Games
7
Win Rate
14.3%
Bias Score
-30.7%
5
#5A Woolmer
7
14.3%
-30.7%
1.1
🚨 Strong Bias
Games
7
Win Rate
14.3%
Bias Score
-30.7%
6
#6M Donohue
6
16.7%
-28.3%
2.2
🚨 Strong Bias
Games
6
Win Rate
16.7%
Bias Score
-28.3%
7
#7G Eltringham
6
16.7%
-28.3%
2.0
🚨 Strong Bias
Games
6
Win Rate
16.7%
Bias Score
-28.3%
8
#8S Attwell
11
18.2%
-26.8%
1.1
🚨 Strong Bias
Games
11
Win Rate
18.2%
Bias Score
-26.8%
9
#9M Riley
16
18.8%
-26.3%
1.7
🚨 Strong Bias
Games
16
Win Rate
18.8%
Bias Score
-26.3%
10
#10L Doughty
5
20.0%
-25.0%
2.2
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
11
#11M Haywood
5
20.0%
-25.0%
0.6
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
12
#12L Mason
5
20.0%
-25.0%
2.6
🚨 Strong Bias
Games
5
Win Rate
20.0%
Bias Score
-25.0%
13
#13A Marriner
9
22.2%
-22.8%
1.3
🚨 Strong Bias
Games
9
Win Rate
22.2%
Bias Score
-22.8%
14
#14M Messias
9
22.2%
-22.8%
2.3
🚨 Strong Bias
Games
9
Win Rate
22.2%
Bias Score
-22.8%
15
#15M Atkinson
13
23.1%
-21.9%
1.9
🚨 Strong Bias
Games
13
Win Rate
23.1%
Bias Score
-21.9%
16
#16D Webb
8
25.0%
-20.0%
1.5
🚨 Strong Bias
Games
8
Win Rate
25.0%
Bias Score
-20.0%
17
#17A D'Urso
12
25.0%
-20.0%
1.9
🚨 Strong Bias
Games
12
Win Rate
25.0%
Bias Score
-20.0%
18
#18U Rennie
8
25.0%
-20.0%
1.0
🚨 Strong Bias
Games
8
Win Rate
25.0%
Bias Score
-20.0%
19
#19A Wiley
19
26.3%
-18.7%
1.5
⚠️ Potential Bias
Games
19
Win Rate
26.3%
Bias Score
-18.7%
20
#20H Webb
15
26.7%
-18.3%
1.5
⚠️ Potential Bias
Games
15
Win Rate
26.7%
Bias Score
-18.3%
21
#21M Clattenburg
15
26.7%
-18.3%
1.7
⚠️ Potential Bias
Games
15
Win Rate
26.7%
Bias Score
-18.3%
22
#22G Poll
11
27.3%
-17.7%
1.6
⚠️ Potential Bias
Games
11
Win Rate
27.3%
Bias Score
-17.7%
23
#23M Dean
18
27.8%
-17.2%
2.3
⚠️ Potential Bias
Games
18
Win Rate
27.8%
Bias Score
-17.2%
24
#24S Allison
10
30.0%
-15.0%
2.4
⚠️ Potential Bias
Games
10
Win Rate
30.0%
Bias Score
-15.0%
25
#25R Madley
10
30.0%
-15.0%
1.4
⚠️ Potential Bias
Games
10
Win Rate
30.0%
Bias Score
-15.0%
26
#26O Langford
10
30.0%
-15.0%
1.4
⚠️ Potential Bias
Games
10
Win Rate
30.0%
Bias Score
-15.0%
27
#27A Haines
10
30.0%
-15.0%
1.4
⚠️ Potential Bias
Games
10
Win Rate
30.0%
Bias Score
-15.0%
28
#28P Walton
20
30.0%
-15.0%
0.9
⚠️ Potential Bias
Games
20
Win Rate
30.0%
Bias Score
-15.0%
29
#29B Toner
15
33.3%
-11.7%
2.3
⚠️ Potential Bias
Games
15
Win Rate
33.3%
Bias Score
-11.7%
30
#30S Martin
9
33.3%
-11.7%
1.2
⚠️ Potential Bias
Games
9
Win Rate
33.3%
Bias Score
-11.7%
31
#31C Boyeson
9
33.3%
-11.7%
1.0
⚠️ Potential Bias
Games
9
Win Rate
33.3%
Bias Score
-11.7%
32
#32D Gallagher
9
33.3%
-11.7%
1.2
⚠️ Potential Bias
Games
9
Win Rate
33.3%
Bias Score
-11.7%
33
#33D Whitestone
20
35.0%
-10.0%
1.3
⚠️ Potential Bias
Games
20
Win Rate
35.0%
Bias Score
-10.0%
34
#34D Deadman
11
36.4%
-8.6%
2.0
📊 Neutral
Games
11
Win Rate
36.4%
Bias Score
-8.6%
35
#35A Backhouse
8
37.5%
-7.5%
1.9
📊 Neutral
Games
8
Win Rate
37.5%
Bias Score
-7.5%
36
#36A Young
8
37.5%
-7.5%
2.8
📊 Neutral
Games
8
Win Rate
37.5%
Bias Score
-7.5%
37
#37G Salisbury
13
38.5%
-6.5%
1.5
📊 Neutral
Games
13
Win Rate
38.5%
Bias Score
-6.5%
38
#38J Bell
5
40.0%
-5.0%
2.0
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
39
#39T Reeves
5
40.0%
-5.0%
2.2
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
40
#40A Kitchen
5
40.0%
-5.0%
2.0
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
41
#41J Smith
5
40.0%
-5.0%
2.6
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
42
#42N Hair
5
40.0%
-5.0%
1.6
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
43
#43B Speedie
5
40.0%
-5.0%
1.8
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
44
#44S Oldham
5
40.0%
-5.0%
1.6
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
45
#45M Coy
5
40.0%
-5.0%
1.8
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
46
#46R Lewis
5
40.0%
-5.0%
1.8
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
47
#47B Malone
5
40.0%
-5.0%
1.2
📊 Neutral
Games
5
Win Rate
40.0%
Bias Score
-5.0%
48
#48O Yates
7
42.9%
-2.1%
2.6
📊 Neutral
Games
7
Win Rate
42.9%
Bias Score
-2.1%
49
#49R East
7
42.9%
-2.1%
2.6
📊 Neutral
Games
7
Win Rate
42.9%
Bias Score
-2.1%
50
#50L Collins
7
42.9%
-2.1%
1.4
📊 Neutral
Games
7
Win Rate
42.9%
Bias Score
-2.1%
51
#51G Ward
18
44.4%
-0.6%
1.4
📊 Neutral
Games
18
Win Rate
44.4%
Bias Score
-0.6%
52
#52C Sarginson
18
44.4%
-0.6%
1.4
📊 Neutral
Games
18
Win Rate
44.4%
Bias Score
-0.6%
53
#53L Probert
9
44.4%
-0.6%
1.4
📊 Neutral
Games
9
Win Rate
44.4%
Bias Score
-0.6%
54
#54M Halsey
18
44.4%
-0.6%
0.7
📊 Neutral
Games
18
Win Rate
44.4%
Bias Score
-0.6%
55
#55C Foy
19
47.4%
+2.4%
1.8
📊 Neutral
Games
19
Win Rate
47.4%
Bias Score
+2.4%
56
#56M Salisbury
6
50.0%
+5.0%
1.5
📊 Neutral
Games
6
Win Rate
50.0%
Bias Score
+5.0%
57
#57W Finnie
6
50.0%
+5.0%
2.0
📊 Neutral
Games
6
Win Rate
50.0%
Bias Score
+5.0%
58
#58C Breakspear
18
50.0%
+5.0%
1.9
📊 Neutral
Games
18
Win Rate
50.0%
Bias Score
+5.0%
59
#59D Drysdale
14
50.0%
+5.0%
1.4
📊 Neutral
Games
14
Win Rate
50.0%
Bias Score
+5.0%
60
#60S Tanner
6
50.0%
+5.0%
1.3
📊 Neutral
Games
6
Win Rate
50.0%
Bias Score
+5.0%
61
#61P Dowd
16
50.0%
+5.0%
1.9
📊 Neutral
Games
16
Win Rate
50.0%
Bias Score
+5.0%
62
#62D Rock
7
57.1%
+12.1%
1.3
✅ Favorable
Games
7
Win Rate
57.1%
Bias Score
+12.1%
63
#63J Busby
12
58.3%
+13.3%
1.3
✅ Favorable
Games
12
Win Rate
58.3%
Bias Score
+13.3%
64
#64T Nield
12
58.3%
+13.3%
2.2
✅ Favorable
Games
12
Win Rate
58.3%
Bias Score
+13.3%
65
#65C Hicks
10
60.0%
+15.0%
1.4
✅ Favorable
Games
10
Win Rate
60.0%
Bias Score
+15.0%
66
#66R Joyce
5
60.0%
+15.0%
3.0
✅ Favorable
Games
5
Win Rate
60.0%
Bias Score
+15.0%
67
#67B Huxtable
5
60.0%
+15.0%
1.8
✅ Favorable
Games
5
Win Rate
60.0%
Bias Score
+15.0%
68
#68I Williamson
5
60.0%
+15.0%
1.4
✅ Favorable
Games
5
Win Rate
60.0%
Bias Score
+15.0%
69
#69N Barry
5
60.0%
+15.0%
1.8
✅ Favorable
Games
5
Win Rate
60.0%
Bias Score
+15.0%
70
#70G Horwood
8
62.5%
+17.5%
1.1
✅ Favorable
Games
8
Win Rate
62.5%
Bias Score
+17.5%
71
#71T Robinson
9
66.7%
+21.7%
1.4
✅ Favorable
Games
9
Win Rate
66.7%
Bias Score
+21.7%
72
#72S Stockbridge
6
66.7%
+21.7%
1.7
✅ Favorable
Games
6
Win Rate
66.7%
Bias Score
+21.7%
73
#73K Johnson
6
66.7%
+21.7%
1.7
✅ Favorable
Games
6
Win Rate
66.7%
Bias Score
+21.7%
74
#74T Kettle
10
70.0%
+25.0%
1.4
✅ Favorable
Games
10
Win Rate
70.0%
Bias Score
+25.0%
75
#75S Dunn
7
71.4%
+26.4%
1.0
✅ Favorable
Games
7
Win Rate
71.4%
Bias Score
+26.4%
76
#76T Bramall
5
80.0%
+35.0%
1.8
✅ Favorable
Games
5
Win Rate
80.0%
Bias Score
+35.0%
77
#77S Hooper
5
80.0%
+35.0%
1.8
✅ Favorable
Games
5
Win Rate
80.0%
Bias Score
+35.0%
78
#78L Swabey
11
90.9%
+45.9%
1.6
✅ Favorable
Games
11
Win Rate
90.9%
Bias Score
+45.9%
Note: Showing 78 referees with 5+ games. Bias Score compares win rate under each referee vs. baseline (45%). Click any referee for detailed match-by-match analysis.