Karl Berndtsson Kullberg
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Oerebro | ??/??/1935 | 0 |  Sweden |
| Folkestone ol (Men) | 06/12/1933 | 0 |  United Kingdom |
| Gothenburg m | ??/??/1933 | 0 | Sweden |
| Prague ol (Men) | 07/12/1931 | 0 |  Czech Republic |
Most Played Openings as White
| ECO | Opening | Games |
| C01 | French, exchange variation | 5 games |
| C47 | Four knights, Scotch variation | 4 games |
| B02 | Alekhine's defence | 3 games |
| C45 | Scotch game | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 5 games |
| A25 | English, Sicilian reversed | 3 games |
| E54 | Nimzo-Indian, 4.e3, Gligoric system with 7...dc | 2 games |
| B45 | Sicilian, Taimanov variation | 2 games |
