Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
412 |
2241 | (77) | 8 |
| 1926 |
455 |
2235 | (79) | 0 |
| 1927 |
505 |
2229 | (80) | 0 |
| 1928 |
545 |
2222 | (79) | 0 |
| 1929 |
576 |
2216 | (76) | 0 |
| 1930 |
621 |
2210 | (71) | 7 |
| 1931 |
698 |
2203 | (74) | 0 |
| 1932 |
722 |
2195 | (75) | 0 |
| 1933 |
788 |
2188 | (74) | 4 |
| 1934 |
781 |
2190 | (76) | 0 |
| 1935 |
798 |
2193 | (77) | 0 |
| 1936 |
765 |
2195 | (76) | 0 |
| 1937 |
724 |
2198 | (72) | 2 |
| 1938 |
642 |
2215 | (71) | 0 |
| 1939 |
529 |
2232 | (68) | 0 |
| 1940 |
438 |
2250 | (61) | 5 |
| 1941 |
429 |
2244 | (58) | 13 |
| 1942 |
462 |
2222 | (70) | 0 |
| 1943 |
522 |
2201 | (80) | 0 |
| 1944 |
577 |
2180 | (87) | 0 |
| 1945 |
690 |
2158 | (93) | 0 |
| 1946 |
762 |
2137 | (98) | 0 |
| 1947 |
698 |
2116 | (102) | 2 |
Rating table notes
|
| Biographical data |
| Name: Bergsma, Klaas Marinus |
| Born: 14 June 1900 |
| Died: 3 Apr. 1966 |
|
| |
| 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 |
| Di Felice, Chess Results, 1947-1950, page 452 |
| Thulin, Name index to CTC, page 26 |
| Web |
| [Klaas Bergsma] |
| |
