Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
424 |
2233 | (77) | 8 |
| 1926 |
470 |
2226 | (80) | 0 |
| 1927 |
518 |
2220 | (80) | 0 |
| 1928 |
559 |
2213 | (79) | 0 |
| 1929 |
600 |
2206 | (76) | 0 |
| 1930 |
643 |
2200 | (72) | 7 |
| 1931 |
713 |
2193 | (74) | 0 |
| 1932 |
737 |
2186 | (75) | 0 |
| 1933 |
816 |
2179 | (74) | 4 |
| 1934 |
789 |
2182 | (76) | 0 |
| 1935 |
803 |
2185 | (77) | 0 |
| 1936 |
769 |
2188 | (76) | 0 |
| 1937 |
727 |
2191 | (73) | 2 |
| 1938 |
642 |
2208 | (71) | 0 |
| 1939 |
529 |
2225 | (68) | 0 |
| 1940 |
434 |
2243 | (61) | 5 |
| 1941 |
422 |
2237 | (58) | 13 |
| 1942 |
449 |
2216 | (70) | 0 |
| 1943 |
490 |
2195 | (80) | 0 |
| 1944 |
546 |
2174 | (87) | 0 |
| 1945 |
638 |
2153 | (93) | 0 |
| 1946 |
691 |
2132 | (98) | 0 |
| 1947 |
573 |
2111 | (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] |
| |
