Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1907 |
634 |
1937 | (97) | 6 |
| 1908 |
627 |
1935 | (100) | 0 |
| 1909 |
680 |
1933 | (102) | 0 |
| 1910 |
656 |
1931 | (103) | 0 |
| 1911 |
649 |
1929 | (104) | 0 |
| 1912 |
611 |
1927 | (104) | 0 |
| 1913 |
576 |
1925 | (104) | 0 |
| 1914 |
526 |
1923 | (102) | 0 |
| 1915 |
490 |
1920 | (101) | 0 |
| 1916 |
490 |
1918 | (98) | 0 |
| 1917 |
475 |
1916 | (95) | 0 |
| 1918 |
492 |
1914 | (91) | 0 |
| 1919 |
489 |
1912 | (85) | 0 |
| 1920 |
563 |
1910 | (79) | 0 |
| 1921 |
571 |
1908 | (70) | 9 |
| 1922 |
518 |
1899 | (68) | 9 |
| 1923 |
514 |
1893 | (74) | 0 |
| 1924 |
538 |
1887 | (77) | 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 |
| |
