I WilliamsonvsDerby
Analysis based on 11 matches since 2000
* Note: Detailed card statistics for matches before 2005 may be incomplete.
When I Williamson officiates Derby matches, the statistics reveal a severe negative pattern. Based on 11 matches spanning multiple seasons, our comprehensive analysis shows Derby achieves a 9.1% win rate under I Williamson, compared to the 45% baseline expected for teams at this level. This negative 35.9 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
This referee has a significantly negative history with this team. Win rate is severely below average.
Notable Negative Pattern
With a bias score of -35.9%, this ranks among the more significant negative patterns in our database. Over 11 matches, Derby has won 36 percentage points fewer games than expected. For bettors and fantasy managers, this historical trend suggests extra caution when I Williamson is appointed.
The Bias Meter™
Match History
11 matches under this referee
| Date | Opponent | Score | Result | Cards | Division |
|---|---|---|---|---|---|
| 7 Mar 2015 | Birmingham(H) | 2 - 2 | DRAW | Derby: 🟨 3 Birmingham: 🟨 2 | Championship |
| 5 Nov 2011 | Peterboro(A) | 2 - 3 | LOSS | Derby: 🟨 3 Peterboro: 🟨 1 | Championship |
| 30 Apr 2011 | Bristol City(H) | 0 - 2 | LOSS | Derby: 🟨 2 Bristol City: — | Championship |
| 14 Mar 2009 | Sheffield United(A) | 2 - 4 | LOSS | Derby: 🟨 3 Sheffield United: 🟨 1 | Championship |
| 25 Oct 2008 | Coventry(A) | 1 - 1 | DRAW | Derby: 🟨 2 Coventry: 🟨 2 | Championship |
| 14 Apr 2007 | Ipswich(A) | 1 - 2 | LOSS | Derby: 🟨 6🟥 1 Ipswich: 🟨 4🟥 1 | Championship |
| 20 Jan 2007 | Southend(A) | 1 - 0 | WIN | Derby: 🟨 3 Southend: 🟨 1 | Championship |
| 1 Feb 2006 | Sheffield United(H) | 0 - 1 | LOSS | Derby: 🟨 2🟥 1 Sheffield United: 🟨 4 | Championship |
| 11 Sept 2005 | Crewe(A) | 1 - 1 | DRAW | Derby: 🟨 2🟥 1 Crewe: 🟨 1 | Championship |
| 2 Mar 2005 | Wolves(H) | 3 - 3 | DRAW | Derby: — Wolves: 🟨 2 | Championship |
| 28 Feb 2004 | Coventry(A) | 0 - 2 | LOSS | Derby: 🟨 2🟥 1 Coventry: 🟨 2 | Championship |
When I Williamson officiates Derby matches, the statistics reveal a severe negative pattern. Based on 11 matches spanning multiple seasons, our comprehensive analysis shows Derby achieves a 9.1% win rate under I Williamson, compared to the 45% baseline expected for teams at this level. This negative 35.9 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.
Frequently Asked Questions
Detailed Statistics
Cards for Derby
Cards for Opponents
Betting Outlook
TIPSTER INSIGHTRED CARD RISK
Red card frequency: 0.36 per game
Higher than average dismissal rate in this matchup.
⚠️ This is statistical analysis, not betting advice. Gamble responsibly.
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