Constantin Haralds
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| GER-SWE | ??/??/1922 | 0 | Germany |
| Gothenburg | ??/??/1919 | 0 | Sweden |
Most Played Openings as White
| ECO | Opening | Games |
| D53 | Queen's Gambit Declined, 4.Bg5 Be7 | 2 games |
| D06 | Queen's Gambit | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
| D66 | Queen's Gambit Declined, Orthodox defence, Bd3 line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D33 | Queen's Gambit Declined, Tarrasch, Schlechter-Rubinstein system | 2 games |
| C49 | Four knights, double Ruy Lopez | 1 games |
| C01 | French, exchange variation | 1 games |
| C47 | Four knights, Scotch variation | 1 games |


Germany
Sweden