Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
77 |
2376 | (53) | 13 |
| 1917 |
74 |
2375 | (44) | 21 |
| 1918 |
80 |
2371 | (47) | 7 |
| 1919 |
121 |
2335 | (47) | 5 |
| 1920 |
157 |
2319 | (43) | 15 |
| 1921 |
141 |
2329 | (44) | 7 |
| 1922 |
150 |
2326 | (41) | 19 |
| 1923 |
182 |
2307 | (45) | 6 |
| 1924 |
171 |
2318 | (44) | 17 |
| 1925 |
142 |
2333 | (50) | 0 |
| 1926 |
131 |
2349 | (46) | 12 |
| 1927 |
122 |
2364 | (43) | 16 |
| 1928 |
132 |
2355 | (48) | 9 |
| 1929 |
149 |
2334 | (54) | 0 |
| 1930 |
164 |
2313 | (54) | 15 |
Rating table notes
|
| Biographical data |
| Name: Berndtsson-Kullberg, Karl Mathias |
| Also known as: K. Berndtsson |
| Born: 16 Mar. 1892 |
| Died: 29 Sep. 1943 |
| |
| Notes: |
| Gaige gives full name as 'Berndtsson-Kullberg, Karl [Mathias]' suggesting that the second name is uncertain. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 300 |
| Di Felice, Chess Results, 1921-1930, page 319 |
| Gaige, Chess Personalia, page 34 |
| Thulin, Name index to CTC, page 26 |
| |
