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 N Hair →•View All Referees for Accrington →

🧑‍⚖️ Referee Analysis⚠️ BIAS DETECTED

N HairvsAccrington

Analysis based on 9 matches since 2000

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

Wins

Draws

Losses

When N Hair officiates Accrington matches, the statistics reveal a severe negative pattern. Based on 9 matches spanning multiple seasons, our comprehensive analysis shows Accrington achieves a 11.1% win rate under N Hair, compared to the 45% baseline expected for teams at this level. This negative 33.9 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.

🚨STRONG BIAS DETECTED

🚨 STRONG BIAS DETECTED

This referee has a significantly negative history with this team. Win rate is severely below average.

Bias Score

-33.9%

Matches Analyzed

⚠️

Notable Negative Pattern

With a bias score of -33.9%, this ranks among the more significant negative patterns in our database. Over 9 matches, Accrington has won 34 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when N Hair is appointed.

The Bias Meter™

Bias Level-33.9%

Bias AgainstNeutralFavorable

Match History

9 matches under this referee

Date	Opponent	Score	Result	Cards	Division
4 Oct 2025	Barnet(A)	0 - 2	LOSS	🟨 3	League Two
29 Mar 2025	Bradford(H)	0 - 0	DRAW	🟨 2	League Two
18 Nov 2023	Wrexham(H)	2 - 0	WIN	🟨 1	League Two
10 Apr 2023	Sheffield Weds(A)	0 - 3	LOSS	🟨 2	League One
8 Oct 2022	Plymouth(A)	0 - 3	LOSS	🟨 3🟥 1	League One
29 Dec 2021	Shrewsbury(A)	0 - 0	DRAW	🟨 2	League One
30 Jan 2021	Plymouth(A)	2 - 2	DRAW	🟨 2	League One
7 Sept 2019	Bristol Rvs(A)	3 - 3	DRAW	🟥 1	League One
6 Apr 2019	AFC Wimbledon(A)	1 - 1	DRAW	🟨 3	League One

Frequently Asked Questions

Detailed Statistics

Win Rate (Under Ref)11.1%

Baseline Win Rate45%

Bias Score-33.9%

Cards for Accrington

🟨 Yellows / Game2.00

🟥 Reds / Game0.22

Cards for Opponents

🟨 Opp Yellows / Game2.00

🟥 Opp Reds / Game0.11

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Betting Outlook

TIPSTER INSIGHT

🟥

RED CARD RISK

Red card frequency: 0.22 per game

Higher than average dismissal rate in this matchup.

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

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