Robbert Groen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U20 op | 08/??/2005 | 1853 | Netherlands |
| Stork Young Masters op | 08/??/2004 | 518 | Netherlands |
| Hengelo op U16 | 08/??/2001 | 29 | Netherlands |
| NED op U14 | ??/??/2001 | 55 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C30 | King's gambit | 6 games |
| C02 | French, advance variation | 5 games |
| C28 | Vienna game | 2 games |
| E30 | Nimzo-Indian, Leningrad variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C01 | French, exchange variation | 5 games |
| C00 | French defence | 4 games |
| C02 | French, advance variation | 3 games |
| C11 | French defence | 3 games |


Netherlands