| Equestrian |
1973 European Dressage Championships |
Aachen |
 GER |
Team dressage, Open |
🥉 |
 SUI |
|
| Equestrian |
1974 World Dressage Championships |
København |
 DEN |
Team dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1974 World Dressage Championships |
København |
DEN |
Individual dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1975 European Dressage Championships |
Kyiv |
 URS |
Individual dressage, Open |
🥇 |
SUI |
|
| Equestrian |
1975 European Dressage Championships |
Kyiv |
URS |
Team dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1977 European Dressage Championships |
St. Gallen |
SUI |
Individual dressage, Open |
🥇 |
SUI |
|
| Equestrian |
1977 European Dressage Championships |
St. Gallen |
SUI |
Team dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1978 World Dressage Championships |
Goodwood |
 GBR |
Team dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1978 World Dressage Championships |
Goodwood |
GBR |
Individual dressage, Open |
🥇 |
SUI |
|
| Equestrian |
1979 European Dressage Championships |
Århus |
DEN |
Individual dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1979 European Dressage Championships |
Århus |
DEN |
Team dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1981 European Dressage Championships |
Laxenburg |
 AUT |
Individual dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1981 European Dressage Championships |
Laxenburg |
AUT |
Team dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1982 World Dressage Championships |
Lausanne |
SUI |
Individual dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1982 World Dressage Championships |
Lausanne |
SUI |
Team dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1983 European Dressage Championships |
Aachen |
GER |
Team dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1986 World Dressage Championships |
Cedar Valley |
 CAN |
Individual dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1986 World Dressage Championships |
Cedar Valley |
CAN |
Team dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1987 European Dressage Championships |
Goodwood |
GBR |
Team dressage, Open |
🥈 |
SUI |
|
| Equestrian |
1990 World Equestrian Games |
Stockholm |
 SWE |
Team dressage, Open |
🥉 |
SUI |
|
| Equestrian |
1990 World Equestrian Games |
Stockholm |
SWE |
Individual dressage, Open |
5 |
SUI |
|