Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
75 |
2380 | (52) | 13 |
| 1917 |
73 |
2379 | (44) | 21 |
| 1918 |
83 |
2374 | (46) | 7 |
| 1919 |
121 |
2337 | (46) | 5 |
| 1920 |
157 |
2320 | (42) | 15 |
| 1921 |
145 |
2330 | (43) | 7 |
| 1922 |
147 |
2328 | (40) | 19 |
| 1923 |
185 |
2309 | (44) | 6 |
| 1924 |
180 |
2320 | (42) | 17 |
| 1925 |
150 |
2335 | (45) | 7 |
| 1926 |
116 |
2364 | (42) | 19 |
| 1927 |
115 |
2370 | (41) | 16 |
| 1928 |
136 |
2363 | (45) | 9 |
| 1929 |
183 |
2345 | (48) | 0 |
| 1930 |
218 |
2328 | (41) | 15 |
| 1931 |
221 |
2324 | (39) | 25 |
| 1932 |
225 |
2317 | (47) | 0 |
| 1933 |
233 |
2310 | (45) | 19 |
| 1934 |
300 |
2286 | (56) | 0 |
| 1935 |
359 |
2263 | (61) | 9 |
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 |
| Di Felice, Chess Results, 1931-1935, page 375 |
| Gaige, Chess Personalia, page 34 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 522 |
| Thulin, Name index to CTC, page 26 |
| |
