A. Chapman

CONFIDENCEB

SAMPLE18matches

CORE COVERAGE100%

WINDOW2026-09-10

REFEREE DNA · 7 DIMENSIONSreferee-dna-v0.1-research

Foul calling2

Fouls called per match relative to referee peers.

Discipline intensity21

Card points per match, with yellow = 1 and red = 3.

Red-card tendency62

Observed red cards per match relative to peers.

Card escalation71

Card points per 20 co-observed fouls.

Late discipline37

Share of observed cards shown from minute 75 onward.

Home-card differential60

Home minus away card points per match. This is an observed differential, not a bias label.

Discipline volatility21

Match-to-match variability in total card points.

EVIDENCE & INTERPRETATIONwhat the profile can and cannot say

Observed cards

61 card events across 18 observed matches; 4 red-card events.

Observed fouls

317 total fouls across 18 matches with complete foul statistics.

Home-card differential

A signed disciplinary difference only. It does not establish intent, favoritism or referee bias.

Peer context

Percentiles compare this referee only with eligible referees in Major League Soccer 2026.

LINEAGEreferee-specific immutable evidence manifest

MODEL: referee-dna-v0.1-research
WINDOW END: 2026-09-10
MANIFEST: referee-source-manifest-v0.1
SOURCE SHA-256: 5d554756d48cabf620fc1ee56e6f1cd65e8fefa6bd049c49ffb0aecc8513893e