Lei Zhang

Lei Zhang, China

CONFIDENCEC

SAMPLE8matches

CORE COVERAGE100%

WINDOW2026-10-18

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

Foul calling95

Fouls called per match relative to referee peers.

Discipline intensity35

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

Red-card tendency10

Observed red cards per match relative to peers.

Card escalation25

Card points per 20 co-observed fouls.

Late discipline65

Share of observed cards shown from minute 75 onward.

Home-card differential55

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

Discipline volatility75

Match-to-match variability in total card points.

EVIDENCE & INTERPRETATIONwhat the profile can and cannot say

Observed cards

30 card events across 8 observed matches; 0 red-card events.

Observed fouls

226 total fouls across 8 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 Super League 2026.

LINEAGEreferee-specific immutable evidence manifest

MODEL: referee-dna-v0.1-research
WINDOW END: 2026-10-18
MANIFEST: referee-source-manifest-v0.1
SOURCE SHA-256: 06aaca58c7a2335815f93f8aa8daf6c7af6cad65a169c5c9f804feada8f7aa0e