Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
401 |
2230 | (77) | 8 |
| 1926 |
438 |
2224 | (80) | 0 |
| 1927 |
491 |
2217 | (80) | 0 |
| 1928 |
519 |
2211 | (79) | 0 |
| 1929 |
551 |
2205 | (76) | 0 |
| 1930 |
600 |
2198 | (72) | 7 |
| 1931 |
656 |
2192 | (75) | 0 |
| 1932 |
681 |
2187 | (75) | 0 |
| 1933 |
739 |
2181 | (74) | 4 |
| 1934 |
722 |
2185 | (77) | 0 |
| 1935 |
743 |
2189 | (77) | 0 |
| 1936 |
690 |
2193 | (76) | 0 |
| 1937 |
646 |
2198 | (73) | 2 |
| 1938 |
572 |
2217 | (72) | 0 |
| 1939 |
459 |
2236 | (69) | 0 |
| 1940 |
373 |
2255 | (63) | 5 |
| 1941 |
343 |
2253 | (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 |
| |
