Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1918 |
602 |
2093 | (76) | 5 |
| 1919 |
634 |
2079 | (69) | 5 |
| 1920 |
693 |
2070 | (69) | 0 |
| 1921 |
773 |
2061 | (65) | 7 |
| 1922 |
787 |
2069 | (69) | 0 |
| 1923 |
831 |
2077 | (71) | 0 |
| 1924 |
845 |
2085 | (70) | 0 |
| 1925 |
867 |
2092 | (67) | 0 |
| 1926 |
877 |
2100 | (60) | 11 |
| 1927 |
916 |
2098 | (66) | 0 |
| 1928 |
923 |
2095 | (69) | 7 |
Rating table notes
|
| Biographical data |
| Name: Kloosterboer, G.W. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 308 |
| Di Felice, Chess Results, 1921-1930, page 328 |
| Thulin, Name index to CTC, page 134 |
| Periodicals |
| [TNS], vol. 27, no. 6, 1 July 1919, page 128 |
| |
