Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
417 |
2231 | (77) | 8 |
| 1926 |
464 |
2225 | (80) | 0 |
| 1927 |
516 |
2218 | (80) | 0 |
| 1928 |
557 |
2211 | (79) | 0 |
| 1929 |
592 |
2204 | (76) | 0 |
| 1930 |
637 |
2198 | (72) | 7 |
| 1931 |
708 |
2191 | (74) | 0 |
| 1932 |
740 |
2184 | (75) | 0 |
| 1933 |
814 |
2177 | (74) | 4 |
| 1934 |
785 |
2180 | (76) | 0 |
| 1935 |
801 |
2183 | (77) | 0 |
| 1936 |
767 |
2186 | (76) | 0 |
| 1937 |
728 |
2189 | (73) | 2 |
| 1938 |
640 |
2206 | (71) | 0 |
| 1939 |
525 |
2224 | (68) | 0 |
| 1940 |
430 |
2241 | (61) | 5 |
| 1941 |
420 |
2236 | (58) | 13 |
| 1942 |
448 |
2215 | (70) | 0 |
| 1943 |
488 |
2193 | (80) | 0 |
| 1944 |
540 |
2172 | (87) | 0 |
| 1945 |
632 |
2151 | (93) | 0 |
| 1946 |
687 |
2130 | (98) | 0 |
| 1947 |
563 |
2109 | (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] |
| |
