Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1918 |
631 |
2096 | (76) | 5 |
| 1919 |
659 |
2082 | (69) | 5 |
| 1920 |
726 |
2074 | (69) | 0 |
| 1921 |
813 |
2065 | (65) | 7 |
| 1922 |
836 |
2073 | (69) | 0 |
| 1923 |
901 |
2081 | (71) | 0 |
| 1924 |
891 |
2089 | (70) | 0 |
| 1925 |
920 |
2097 | (67) | 0 |
| 1926 |
929 |
2105 | (60) | 11 |
| 1927 |
978 |
2102 | (66) | 0 |
| 1928 |
998 |
2100 | (69) | 7 |
Rating table notes
|
| Biographical data |
| Name: Kloosterboer, Gerrit Willem |
| Born: 23 Nov. 1878 |
| Died: 18 Apr. 1968 |
|
| |
| 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 |
| Web |
| [Gerrit Willem Kloosterboer] |
| |
