Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
395 |
2229 | (77) | 8 |
| 1926 |
435 |
2223 | (80) | 0 |
| 1927 |
489 |
2217 | (80) | 0 |
| 1928 |
518 |
2210 | (79) | 0 |
| 1929 |
541 |
2204 | (76) | 0 |
| 1930 |
588 |
2197 | (72) | 7 |
| 1931 |
636 |
2192 | (75) | 0 |
| 1932 |
663 |
2186 | (75) | 0 |
| 1933 |
721 |
2180 | (74) | 4 |
| 1934 |
698 |
2184 | (77) | 0 |
| 1935 |
720 |
2188 | (77) | 0 |
| 1936 |
663 |
2192 | (76) | 0 |
| 1937 |
620 |
2196 | (73) | 2 |
| 1938 |
549 |
2216 | (72) | 0 |
| 1939 |
442 |
2235 | (69) | 0 |
| 1940 |
358 |
2254 | (63) | 5 |
| 1941 |
328 |
2252 | (60) | 13 |
Rating table notes
|
| Biographical data |
| Name: Bergsma, K.M. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 319 |
| Di Felice, Chess Results, 1931-1935, page 375 |
| Di Felice, Chess Results, 1936-1940, page 347 |
| Di Felice, Chess Results, 1941-1946, page 334 |
| Thulin, Name index to CTC, page 26 |
| |
