Ragnar Krogius
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Saltsjobaden tt | ??/??/1948 | 0 |  Sweden |
| Munich ol (Men) | 08/16/1936 | 0 |  Germany |
| Warsaw ol (Men) | 08/16/1935 | 0 |  Poland |
| Helsinki | 10/??/1935 | 0 |  Finland |
Ragnar Krogius Opening Repertoire with White pieces
| ECO | Opening | Games |
| C86 | Ruy Lopez, Worrall attack | 1 games |
| C55 | Two knights defence | 1 games |
| C53 | Giuoco Piano | 1 games |
| C02 | French, advance variation | 1 games |
Ragnar Krogius Opening Repertoire with Black pieces
| ECO | Opening | Games |
| A44 | Old Benoni defence | 2 games |
| A90 | Dutch defence | 1 games |
| A28 | English, four knights system | 1 games |
| B15 | Caro-Kann defence | 1 games |
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