Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1917 |
71 |
2356 | (55) | 16 |
| 1918 |
73 |
2351 | (54) | 7 |
| 1919 |
99 |
2313 | (54) | 5 |
| 1920 |
128 |
2290 | (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 |
| Gaige, Chess Personalia, page 34 |
| Thulin, Name index to CTC, page 26 |
| |
