Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1918 |
623 |
2091 | (76) | 5 |
| 1919 |
653 |
2077 | (69) | 5 |
| 1920 |
725 |
2068 | (69) | 0 |
| 1921 |
801 |
2059 | (65) | 7 |
| 1922 |
824 |
2067 | (69) | 0 |
| 1923 |
886 |
2075 | (71) | 0 |
| 1924 |
873 |
2083 | (70) | 0 |
| 1925 |
897 |
2091 | (67) | 0 |
| 1926 |
906 |
2099 | (60) | 11 |
| 1927 |
955 |
2097 | (66) | 0 |
| 1928 |
966 |
2094 | (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] |
| |
