Rafael Rodrigo Klein

Rafael Rodrigo Klein, Brazil

CONFIDENCEB

SAMPLE18matches

CORE COVERAGE100%

WINDOW2026-09-12

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

Foul calling21

Fouls called per match relative to referee peers.

Discipline intensity26

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

Red-card tendency79

Observed red cards per match relative to peers.

Card escalation32

Card points per 20 co-observed fouls.

Late discipline15

Share of observed cards shown from minute 75 onward.

Home-card differential79

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

Discipline volatility79

Match-to-match variability in total card points.

EVIDENCE & INTERPRETATIONwhat the profile can and cannot say

Observed cards

73 card events across 18 observed matches; 7 red-card events.

Observed fouls

447 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 Serie A 2026.

LINEAGEreferee-specific immutable evidence manifest

MODEL: referee-dna-v0.1-research
WINDOW END: 2026-09-12
MANIFEST: referee-source-manifest-v0.1
SOURCE SHA-256: cfef1b2df0bbcfd55541e70f1c1d8df065c644d8e7903a45964b48bcf650932f