Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1918 |
378 |
2120 | (78) | 5 |
| 1919 |
402 |
2104 | (72) | 5 |
| 1920 |
459 |
2093 | (71) | 0 |
| 1921 |
504 |
2083 | (68) | 7 |
| 1922 |
483 |
2088 | (73) | 0 |
| 1923 |
489 |
2092 | (75) | 0 |
| 1924 |
523 |
2096 | (76) | 0 |
| 1925 |
465 |
2101 | (74) | 0 |
| 1926 |
447 |
2105 | (70) | 11 |
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 |
| |
