Super Secret Derby Stuff

HR: Head Ref

• The lead official for the game.

• Oversees all officiating, resolves disputes, and makes final rules decisions.

• Usually a very experienced official.

BPR: Back Pack Ref 

FIPR/IPR: Front Inside Pack Ref / Inside Pack Ref

• Skates inside the track.

• Watches blocker engagement, pack definition, and multiplayer penalties.

• Often has the best view of pack action.

JR: Jam Ref

• Assigned to a specific jammer.

• Tracks lead jammer status, scoring passes, star passes, penalties, and calls off jams when the jammer signals.

• Usually one white and one black jammer ref.

OPR: Outside Pack Ref

• Skates outside the track.

• Watches blockers from the outside and helps maintain awareness of pack definition and penalties.

HNSO: Head NSO

• Coordinates all NSOs.

• Helps ensure paperwork, penalties, scoring, and timing are running smoothly.

• The NSO equivalent of the Head Ref.

JT: Jam Timer

• Starts and stops jams.

• Tracks the 2-minute jam clock.

• Uses whistles to indicate jam start and end.

PT/PLT: Penalty Tracker / Penalty Lineup Tracker

• Tracks skaters who have been assessed penalties.

• Helps ensure penalty counts are accurate.

PBM: Penalty Box Manager

• Supervises penalty box operations.

• Coordinates penalty box timers and handles unusual penalty box situations.

PBM: Penalty Box Timer

• Times penalties served by skaters in the box.

• Communicates releases when penalty time is complete.

TR: Track Repair 

• Addresses damages to temporary track markers

SK: Score Keeper

• Records points scored during each jam.

• Usually one scorekeeper per team, tracking jammer scoring passes.

SBO: ScoreBoard Operator (Laptop)

• Runs the electronic scoreboard software.

• Updates scores, penalties, lead jammer status, timeouts, and game clock.

SBO - Hockeyboard

• Runs a physical scoreboard if the venue uses one.

• Often easier for beginners than laptop scoreboard operation.