Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1907 |
952 |
1895 | (78) | 11 |
| 1908 |
949 |
1897 | (83) | 0 |
| 1909 |
1030 |
1899 | (87) | 0 |
| 1910 |
1019 |
1900 | (89) | 0 |
| 1911 |
1044 |
1902 | (90) | 0 |
| 1912 |
1025 |
1904 | (90) | 0 |
| 1913 |
1062 |
1905 | (90) | 0 |
| 1914 |
1012 |
1907 | (88) | 0 |
| 1915 |
935 |
1908 | (84) | 0 |
| 1916 |
926 |
1910 | (80) | 0 |
| 1917 |
918 |
1912 | (74) | 0 |
| 1918 |
930 |
1913 | (65) | 12 |
| 1919 |
951 |
1908 | (67) | 0 |
| 1920 |
1059 |
1902 | (66) | 0 |
| 1921 |
1171 |
1896 | (62) | 9 |
| 1922 |
1211 |
1884 | (62) | 9 |
| 1923 |
1376 |
1877 | (69) | 0 |
| 1924 |
1386 |
1870 | (73) | 8 |
Rating table notes
|
| Biographical data |
| Name: van Kooy, W. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 319 |
| Di Felice, Chess Results, 1921-1930, page 340 |
| Thulin, Name index to CTC, page 137 |
| |
