What is the Bias Score and how is it calculated?

The Bias Score compares a team's win rate under a specific referee to their baseline win rate (45%). A negative score suggests the team performs worse than average under that referee.

What sample size is considered reliable?

We recommend at least 5 games for initial patterns and 10+ games for high confidence.

← Back to Home•View All Teams for J Bell →•View All Referees for Norwich →

🧑‍⚖️ Referee Analysis⚠️ BIAS DETECTED

J BellvsNorwich

Analysis based on 7 matches since 2000

* Note: Detailed card statistics for matches before 2005 may be incomplete.

Wins

Draws

Losses

When J Bell officiates Norwich matches, the statistics reveal a notable negative pattern. Based on 7 matches spanning multiple seasons, our comprehensive analysis shows Norwich achieves a 28.6% win rate under J Bell, compared to the 45% baseline expected for teams at this level. This negative 16.4 percentage point difference suggests a meaningful pattern worth examining. The data includes detailed card statistics, match outcomes, and historical trends to provide football fans, bettors, and analysts with evidence-based insights into this referee-team dynamic.

⚠️POTENTIAL BIAS

⚠️ POTENTIAL BIAS DETECTED

This team performs notably worse under this referee compared to their overall average.

Bias Score

-16.4%

Matches Analyzed

⚠️

Notable Negative Pattern

With a bias score of -16.4%, this ranks among the more significant negative patterns in our database. Over 7 matches, Norwich has won 16 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when J Bell is appointed.

The Bias Meter™

Bias Level-16.4%

Bias AgainstNeutralFavorable

Match History

7 matches under this referee

Date	Opponent	Score	Result	Cards	Division
13 Dec 2025	Southampton(H)	2 - 1	WIN	🟨 2	Championship
7 Mar 2025	Oxford(H)	1 - 1	DRAW	—	Championship
4 Jan 2025	Coventry(H)	2 - 1	WIN	🟨 1	Championship
27 Oct 2024	Middlesbrough(H)	3 - 3	DRAW	🟨 2🟥 1	Championship
17 Aug 2024	Blackburn(H)	2 - 2	DRAW	🟨 2	Championship
26 Dec 2023	West Brom(A)	0 - 1	LOSS	🟥 1	Championship
8 May 2023	Blackpool(H)	0 - 1	LOSS	🟨 1	Championship

Frequently Asked Questions

Detailed Statistics

Win Rate (Under Ref)28.6%

Baseline Win Rate45%

Bias Score-16.4%

Cards for Norwich

🟨 Yellows / Game1.14

🟥 Reds / Game0.29

Cards for Opponents

🟨 Opp Yellows / Game1.71

🟥 Opp Reds / Game0.00

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Betting Outlook

TIPSTER INSIGHT

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RED CARD RISK

Red card frequency: 0.29 per game

Higher than average dismissal rate in this matchup.

⚠️ This is statistical analysis, not betting advice. Gamble responsibly.

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