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 A Haines →•View All Referees for Chesterfield →

🧑‍⚖️ Referee Analysis⚠️ BIAS DETECTED

A HainesvsChesterfield

Analysis based on 13 matches since 2000

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

Wins

Draws

Losses

When A Haines officiates Chesterfield matches, the statistics reveal a severe negative pattern. Based on 13 matches spanning multiple seasons, our comprehensive analysis shows Chesterfield achieves a 23.1% win rate under A Haines, compared to the 45% baseline expected for teams at this level. This negative 21.9 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

-21.9%

Matches Analyzed

⚠️

Notable Negative Pattern

With a bias score of -21.9%, this ranks among the more significant negative patterns in our database. Over 13 matches, Chesterfield has won 22 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when A Haines is appointed.

The Bias Meter™

Bias Level-21.9%

Bias AgainstNeutralFavorable

Match History

13 matches under this referee

Date	Opponent	Score	Result	Cards	Division
12 Aug 2017	Notts County(A)	0 - 2	LOSS	🟨 4🟥 1	League Two
11 Mar 2017	Shrewsbury(H)	1 - 1	DRAW	🟨 1	League One
26 Nov 2016	Bristol Rvs(H)	3 - 2	WIN	🟨 2	League One
14 Dec 2013	Plymouth(H)	2 - 0	WIN	🟥 1	League Two
17 Aug 2013	Rochdale(A)	2 - 2	DRAW	🟨 3	League Two
31 Mar 2012	Scunthorpe(H)	1 - 4	LOSS	🟨 1	League One
31 Dec 2011	Scunthorpe(A)	2 - 2	DRAW	🟨 2	League One
25 Sept 2010	Rotherham(A)	0 - 1	LOSS	—	League Two
16 Jan 2010	Torquay(H)	1 - 0	WIN	🟨 2	League Two
24 Jan 2009	Morecambe(H)	1 - 2	LOSS	🟨 2	League Two
20 Sept 2008	Rochdale(A)	1 - 2	LOSS	🟨 4🟥 1	League Two
16 Jan 2008	Rochdale(H)	3 - 4	LOSS	🟨 1	League Two
11 Aug 2007	Chester(A)	0 - 0	DRAW	🟨 1	League Two

Frequently Asked Questions

Detailed Statistics

Win Rate (Under Ref)23.1%

Baseline Win Rate45%

Bias Score-21.9%

Cards for Chesterfield

🟨 Yellows / Game1.77

🟥 Reds / Game0.23

Cards for Opponents

🟨 Opp Yellows / Game1.77

🟥 Opp Reds / Game0.00

💰

Betting Outlook

TIPSTER INSIGHT

🟥

RED CARD RISK

Red card frequency: 0.23 per game

Higher than average dismissal rate in this matchup.

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

Share This Analysis

Think your mates need to see this? Share the evidence.