A: Advanced
AI: Advanced dressage and show jumping/Intermediate cross-country
BN: Beginner Novice
BN3D: Beginner Novice Three-Day Event (USEA Rules)
CAT: Coaching Allowed Test
CCN: Concours Complet Nationale (national three-day event – USEF Rules)
CCI-L: Concours Complet International (international three-day event – FEI Rules)
CCI-S: International Horse Trials (FEI Rules)
CNC: National Horse Trials (USEF Rules)
C.T.: Combined Test
FEH: Future Event Horse
I: Intermediate
M: Modified
N: Novice
N3D: Novice Three-Day Eventing (USEA Rules)
NBN: Novice dressage and show jumping /Beginner Novice cross-country
NEH: New Event Horse
IP: Intermediate dressage and show jumping/Preliminary cross-country
P: Preliminary
P3D: Preliminary Three-Day Event (USEF Rules)
PT: Preliminary dressage and show jumping/Training cross-country
T: Training
TN: Training dressage and show jumping /Novice cross-country
T3D: Training Level Three-Day Event (USEF Rules)
YEH: Young Event Horse
A: Amateur
CH: Championship
H: Horse
J: Junior
O: Open
R: Rider
SR: Senior
YH: Young Horse
YR: Young Rider
ATC: Adult Team Challenge
CD: Closing Date
CD:X-C: Cross-Country Course Designer
FEI: Federation Equestre Internationale
HT: Horse Trials
m: Meters
mpm: Meters per minute
Org: Organizer
Sec’y: Secretary
SJ: Show Jumping Course Designer
Sm: 40m x 20m arena
Std: 60m x 20m arena
TD: Technical Delegate