| ** |
Leiden 1893 |
Heemskerk Chess Association Tournament |
| |
Leiden 1896 (1) |
Leidsch Schaakgenootschap Tournament |
| |
Leiden 1896 (2) |
24th Netherland Chess Federation Tourney |
| |
Leiden 1909 (1) |
1st Netherlands Championship |
| |
Leiden 1909 (2) |
Leiden Hauptturnier |
| |
Leiden 1909 (3) |
Leiden First Class Tournament |
| |
Leiden 1927 |
Leiden Tournament |
| |
The Hague and Leiden 1933 |
9th Netherlands Championship |
| |
Leiden 1937 |
2nd Noteboom Memorial Tournament |
| |
Leiden 1946 (1) |
14th Netherlands Championship - Semi-Finals, Group 1 |
| |
Leiden 1946 (2) |
14th Netherlands Championship - Semi-Finals, Group 2 |
| |
Leiden 1946 (3) |
14th Netherlands Championship - Semi-Finals, Group 3 |
