Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1915 |
989 |
1873 | (111) | 3 |
| 1916 |
982 |
1878 | (110) | 0 |
| 1917 |
974 |
1884 | (108) | 0 |
| 1918 |
977 |
1890 | (105) | 0 |
| 1919 |
980 |
1896 | (102) | 0 |
| 1920 |
1070 |
1901 | (97) | 0 |
| 1921 |
1156 |
1907 | (93) | 7 |
Rating table notes
|
| Biographical data |
| Name: de Haas, P. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 18 |
| Thulin, Name index to CTC, page 99 |
| |
