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 S Duncan →•View All Referees for Rotherham →

🧑‍⚖️ Referee Analysis⚠️ BIAS DETECTED

S DuncanvsRotherham

Analysis based on 11 matches since 2000

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

Wins

Draws

Losses

When S Duncan officiates Rotherham matches, the statistics reveal a severe negative pattern. Based on 11 matches spanning multiple seasons, our comprehensive analysis shows Rotherham achieves a 0% win rate under S Duncan, compared to the 45% baseline expected for teams at this level. This negative 45.0 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

-45.0%

Matches Analyzed

⚠️

Notable Negative Pattern

With a bias score of -45.0%, this ranks among the more significant negative patterns in our database. Over 11 matches, Rotherham has won 45 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when S Duncan is appointed.

The Bias Meter™

Bias Level-45.0%

Bias AgainstNeutralFavorable

Match History

11 matches under this referee

Date	Opponent	Score	Result	Cards	Division
12 Feb 2019	Hull(A)	2 - 2	DRAW	🟨 1	Championship
29 Dec 2018	Bristol City(A)	0 - 1	LOSS	🟨 1🟥 2	Championship
1 Sept 2018	Wigan(A)	0 - 1	LOSS	🟨 3	Championship
8 Apr 2017	Wigan(A)	2 - 3	LOSS	🟨 2	Championship
22 Oct 2016	Reading(H)	0 - 1	LOSS	🟨 2	Championship
6 Aug 2016	Wolves(H)	2 - 2	DRAW	🟨 2	Championship
7 May 2016	Hull(A)	1 - 5	LOSS	🟨 1	Championship
31 Oct 2015	Derby(A)	0 - 3	LOSS	🟨 2	Championship
31 Jan 2015	Charlton(A)	1 - 1	DRAW	—	Championship
28 Dec 2014	Blackpool(A)	1 - 1	DRAW	🟨 2	Championship
3 Aug 2013	Crewe(A)	3 - 3	DRAW	🟨 1	League One

Frequently Asked Questions

Detailed Statistics

Win Rate (Under Ref)0.0%

Baseline Win Rate45%

Bias Score-45.0%

Cards for Rotherham

🟨 Yellows / Game1.55

🟥 Reds / Game0.18

Cards for Opponents

🟨 Opp Yellows / Game0.82

🟥 Opp Reds / Game0.09

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Betting Outlook

TIPSTER INSIGHT

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RED CARD RISK

Red card frequency: 0.18 per game

Higher than average dismissal rate in this matchup.

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

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