Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
421 |
2234 | (77) | 8 |
| 1926 |
464 |
2228 | (79) | 0 |
| 1927 |
512 |
2221 | (80) | 0 |
| 1928 |
555 |
2215 | (79) | 0 |
| 1929 |
596 |
2208 | (76) | 0 |
| 1930 |
639 |
2202 | (71) | 7 |
| 1931 |
707 |
2195 | (74) | 0 |
| 1932 |
730 |
2188 | (75) | 0 |
| 1933 |
811 |
2181 | (74) | 4 |
| 1934 |
792 |
2183 | (76) | 0 |
| 1935 |
806 |
2186 | (77) | 0 |
| 1936 |
771 |
2189 | (76) | 0 |
| 1937 |
730 |
2192 | (72) | 2 |
| 1938 |
646 |
2209 | (71) | 0 |
| 1939 |
533 |
2227 | (68) | 0 |
| 1940 |
438 |
2244 | (61) | 5 |
| 1941 |
432 |
2238 | (58) | 13 |
| 1942 |
464 |
2217 | (70) | 0 |
| 1943 |
522 |
2196 | (80) | 0 |
| 1944 |
575 |
2175 | (87) | 0 |
| 1945 |
689 |
2154 | (93) | 0 |
| 1946 |
758 |
2132 | (98) | 0 |
| 1947 |
696 |
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] |
| |
