S. Boiko

CONFIDENCEC

SAMPLE11matches

CORE COVERAGE100%

WINDOW2026-09-06

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

Foul calling10

Fouls called per match relative to referee peers.

Discipline intensity25

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

Red-card tendency50

Observed red cards per match relative to peers.

Card escalation44

Card points per 20 co-observed fouls.

Late discipline90

Share of observed cards shown from minute 75 onward.

Home-card differential63

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

Discipline volatility44

Match-to-match variability in total card points.

EVIDENCE & INTERPRETATIONwhat the profile can and cannot say

Observed cards

39 card events across 11 observed matches; 2 red-card events.

Observed fouls

224 total fouls across 11 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: 2026-09-06
MANIFEST: referee-source-manifest-v0.1
SOURCE SHA-256: d3969014a8cdd3833c14e3b1579cde011bad6a5cb3a8065de229c3c0d3c3bcf3