| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
1924 Summer Olympics
|
Fencing |
 NED |
|
|
|
G. A. Scheffer |
|
|
Épée, Team, Men
(Olympic)
|
|
Final Pool |
France — Belgium |
Judge |
|
|
|
Épée, Team, Men
(Olympic)
|
|
Final Pool |
France — Italy |
Judge |
|
|
|
Épée, Team, Men
(Olympic)
|
|
Final Pool |
Belgium — Italy |
Judge |
|
|
|
Épée, Team, Men
(Olympic)
|
|
Semi-Finals |
Italy — Spain |
Judge |
|
|
|
Épée, Team, Men
(Olympic)
|
|
Round One |
Spain — Italy |
Judge |
|
|
|
Épée, Team, Men
(Olympic)
|
|
Round One |
Spain — Norway |
Judge |
|
|
|
Épée, Team, Men
(Olympic)
|
|
Round One |
Portugal — Uruguay |
Judge |
|
|
|
1936 Summer Olympics
|
Fencing |
NED |
|
|
|
G. A. Scheffer |
|
|
Foil, Individual, Men
(Olympic)
|
|
Round One |
Pool 4 |
Judge |
|
|
|
Épée, Individual, Men
(Olympic)
|
|
Quarter-Finals |
Pool 3 |
Director |
|
|
|
Sabre, Individual, Men
(Olympic)
|
|
Round One |
Pool 3 |
Judge |
|
|
|
Sabre, Team, Men
(Olympic)
|
|
Round One |
Italy — Canada |
Judge |
|
|
|
Foil, Individual, Women
(Olympic)
|
|
Round One |
Pool 6 |
Judge |
|
|