Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1910 |
1033 |
1888 | (111) | 3 |
| 1911 |
1053 |
1893 | (108) | 3 |
| 1912 |
1024 |
1907 | (108) | 0 |
| 1913 |
1033 |
1921 | (108) | 0 |
| 1914 |
960 |
1936 | (108) | 0 |
| 1915 |
885 |
1950 | (107) | 0 |
| 1916 |
856 |
1964 | (105) | 0 |
| 1917 |
835 |
1978 | (103) | 0 |
| 1918 |
833 |
1992 | (100) | 0 |
| 1919 |
811 |
2007 | (96) | 0 |
| 1920 |
849 |
2021 | (92) | 0 |
| 1921 |
900 |
2035 | (86) | 0 |
| 1922 |
893 |
2049 | (79) | 0 |
| 1923 |
949 |
2064 | (70) | 0 |
| 1924 |
933 |
2078 | (59) | 20 |
| 1925 |
979 |
2078 | (68) | 0 |
| 1926 |
1035 |
2077 | (74) | 0 |
| 1927 |
1082 |
2077 | (77) | 6 |
Rating table notes
|
| Biographical data |
| Name: de Haas, Efraim |
| Born: 28 Nov. 1887 |
| Died: 1943 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 303 |
| Di Felice, Chess Results, 1921-1930, page 321 |
| Gaige, Chess Personalia, page 88, 158 |
| Thulin, Name index to CTC, page 99 |
| |
