Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
75 |
2383 | (52) | 13 |
| 1917 |
77 |
2381 | (44) | 21 |
| 1918 |
83 |
2375 | (46) | 7 |
| 1919 |
122 |
2339 | (46) | 5 |
| 1920 |
157 |
2322 | (42) | 15 |
| 1921 |
145 |
2332 | (44) | 7 |
| 1922 |
149 |
2329 | (40) | 19 |
| 1923 |
185 |
2311 | (44) | 6 |
| 1924 |
173 |
2323 | (42) | 17 |
| 1925 |
153 |
2339 | (45) | 7 |
| 1926 |
116 |
2368 | (42) | 19 |
| 1927 |
113 |
2375 | (41) | 16 |
| 1928 |
130 |
2367 | (45) | 9 |
| 1929 |
175 |
2350 | (48) | 0 |
| 1930 |
203 |
2332 | (42) | 15 |
| 1931 |
206 |
2330 | (39) | 25 |
| 1932 |
202 |
2323 | (47) | 0 |
| 1933 |
204 |
2317 | (46) | 19 |
| 1934 |
254 |
2291 | (57) | 0 |
| 1935 |
259 |
2265 | (62) | 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 |
| |
