By passing these exams, you certify yourself at certain levels of referee competence, which is important for sanctioned events. While Lightspeed Saber officers and referees must take these tests, all participants are encouraged to do so.
Check each individual exam for passing requirements.

REFFING Lv 0
BASIC RULES & REGULATIONS
Learn about:
Equipment requirements
Procedures
Scoring, target areas, & violations
Referee signals
& other rules

REFFING Lv 1
Being the Secondary Referee
How to:
Check equipment & check-in fencers
Spot contacts & actions
Make signals
Record data

REFFING Lv 2
Being the Head Referee
How to:
Interpret signals
Assign points
Communicate information
Be transparent & ethical
Avoid mistakes
Ensure a fun, engagin match
Enforce violations
VISUAL RESOURCES
“In my opinion, the fencer on my right was contacted first, and then the other fencer shortly after.”
“In my opinion, the fencer on my right was contacted, and the other was not contacted at all.”
“In my opinion, the fencer on my right was contacted on the head, and it preceded any other contact in the exchange, if any.”
“In my opinion, the fencer on my right received a counterattack and it preceded any other contact in the exchange, if any.”
“I acknowledge there were possible attacks on both sides but can neither confirm nor deny that any of them made contact.” (“I don’t know.”)
“In my opinion, the fencer to my right was contacted first in the exchange, and the followup attack to my left hit too late to count.”
“In my opinion, the fencer to my right was contacted first in the exchange, but managed to partially block it before it arrived.”
“In my opinion, the fencer to my right was contacted first in the exchange, however, there was a secondary attack, though I can neither confirm nor deny whether it landed.”
“I believe the fencer to my left was contacted, however, IF the fencer to my right was also contacted, then they were contacted first.”

Understanding the difference between a Beat-Attack and a Counterattack.
Indirect Contact examples