Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1907 |
619 |
1942 | (97) | 6 |
| 1908 |
603 |
1941 | (100) | 0 |
| 1909 |
652 |
1940 | (102) | 0 |
| 1910 |
629 |
1938 | (104) | 0 |
| 1911 |
615 |
1937 | (105) | 0 |
| 1912 |
575 |
1936 | (105) | 0 |
| 1913 |
530 |
1934 | (105) | 0 |
| 1914 |
465 |
1933 | (104) | 0 |
| 1915 |
420 |
1931 | (103) | 0 |
| 1916 |
414 |
1930 | (101) | 0 |
| 1917 |
392 |
1929 | (98) | 0 |
| 1918 |
397 |
1927 | (94) | 0 |
| 1919 |
380 |
1926 | (89) | 0 |
| 1920 |
446 |
1925 | (84) | 0 |
| 1921 |
416 |
1923 | (76) | 9 |
| 1922 |
276 |
1914 | (77) | 9 |
Rating table notes
|
| Biographical data |
| Name: van Kooy, W. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 319 |
| Thulin, Name index to CTC, page 137 |
| |
