Constantin Grosch
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| BZM-ch U10/14 | 10/26/2005 | 0 | Germany |
| Osterode district U14 | 10/09/2004 | 282 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C10 | French, Paulsen variation | 2 games |
| B07 | Pirc defence | 1 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 1 games |
| A82 | Dutch, Staunton gambit | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
| C49 | Four knights, double Ruy Lopez | 1 games |


Germany