Concours de Dressage International (CDI) is the competition rating for international dressage events. The rating is given by the equestrian governing body FEI.^[1][2]

This article uses bare URLs, which are uninformative and vulnerable to link rot. (August 2022)

A CDI is divided from one to five stars. The height of the star depends on the class in which the rider competes and the prize money.^[3]

• CDI5*: Big Tour (Minimum of prizemoney €72'200, no maximum)
• CDI4*: Big Tour (Minimum of prizemoney €19'200 and maximum of prizemoney €71'099)
• CDI3*: Big Tour (Maximum of prizemoney €19'199, no minimum)
• CDI2*: Medium Tour (No minimum nor maximum prizemoney)
• CDI1*: Small Tour (No minimum nor maximum prizemoney)

To be able to organize a CDI5* you must first have organized a CDI4*. Only when a positive report has been released on the CDI4* by the Foreign Judge can a CDI5* be organized.

• CDI-W: International World Cup competition or a WC qualifier in Grand Prix.
• CDIAm: International amateurs class
• CDIYH: International Young Horse class divided into 5 years old, 6 years old, and 7 years old horses.
• CDIU25: An international class for Grand Prix riders under the age of 25
• CDIY: An international class for Young Riders between the age of 18 and 21
• CDIJ: An international class for Juniors between the age of 16 and 18
• CDICh-A/B: An international class for Children between the age of 12 and 14 in which the rider can decide to ride on E-ponies and horses. This class is for children who already want to start in a horse division class.
• CDIP: An international class for Pony riders between the age of 12 and 16

A CDI can also be organized as a Nations Cup, well known as a Concours de Dressage International Officiele (CDIO). The CDIO rating is divided between a CDIO2*, CDIO3*, CDIO4*, and CDIO5*.^[4] There are currently eight Nations Cup competitions:

More information Show, Class ...

Show	Class
CHIO Aachen	CDIO5*
CHIO Rotterdam	CDIO4*
Falsterbo Horse Show	CDIO5*
CDI Budapest Pilisjaszfalu	CDIO3*
Compiègne Equestre	CDIO5*
Global Dressage Festival, Wellington FL	CDIO3*

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Former Dressage Nations Cup shows^[5]

More information Show, Class ...

Show	Class
CDI Aarhus, Vilhelmsborg	CDIO2*
CDI Lipica	CDIO2*
CDI Kiyv	CDIO3*
Grande Semaine de Saumur	CDIO2*
CDIO Kristiansand	CDIO3*
CDIO Taipei[6]	CDIO2*
CDIO Mondorf less Bains	CDIO3*
All England Jumping Course at Hickstead	CDIO3*
Domaine Equestre Vidauban	CDIO3*
Equitour Denmark, Uggerhalne	CDIO4*
Nordic Horse Show, Drammen	CDIO3*
CDI Helsinki	CDIO3*
Hamina Horse Show	CDIO3*
Equitour Aalborg	CDIO3*
CDIO Hagen[7]	CDIO5*
Odense Horse Show	CDIO3*
CDI Ypäjä	CDIO3*
CSI Twente, Geesteren[8]	CDIO3*
Järvenpää Horse Show	CDIO4*

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In the youth classes, there is also a Nations Cup. This exists of the CDIOU25, CDIOY, CDIOJ, CDIOP, and CDIOCh.

There are several major competitions that have the prestigious 5 * status. The best riders and horses come together at these competitions.

Shows as Aachen, München-Riem and Frankfurt (Germany), Rotterdam (Netherlands), Falsterbo (Sweden), Doha (Qatar), Herning (Denmark), Wellington (USA), Geneva (Switzerland) and Compiegne (France) are prestigious CDI5* shows.