Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
76 |
2378 | (52) | 13 |
| 1917 |
78 |
2376 | (44) | 21 |
| 1918 |
83 |
2370 | (46) | 7 |
| 1919 |
121 |
2333 | (46) | 5 |
| 1920 |
156 |
2317 | (42) | 15 |
| 1921 |
144 |
2327 | (43) | 7 |
| 1922 |
149 |
2324 | (40) | 19 |
| 1923 |
189 |
2306 | (44) | 6 |
| 1924 |
178 |
2319 | (42) | 17 |
| 1925 |
155 |
2334 | (45) | 7 |
| 1926 |
114 |
2364 | (42) | 19 |
| 1927 |
115 |
2371 | (41) | 16 |
| 1928 |
134 |
2363 | (45) | 9 |
| 1929 |
175 |
2346 | (48) | 0 |
| 1930 |
210 |
2329 | (42) | 15 |
| 1931 |
216 |
2326 | (39) | 25 |
| 1932 |
214 |
2319 | (47) | 0 |
| 1933 |
223 |
2311 | (45) | 19 |
| 1934 |
282 |
2288 | (56) | 0 |
| 1935 |
311 |
2264 | (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 |
| |
