Adrianus Dingeman De Groot
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Amsterdam Sen-Jun | 03/??/1973 | 0 | Netherlands |
| Hoogovens | ??/??/1946 | 0 | Netherlands |
| NED-ch12 | ??/??/1942 | 0 | Netherlands |
| NED-ch12 playoff | ??/??/1942 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| E16 | Queen's Indian, Capablanca variation | 4 games |
| C84 | Ruy Lopez, closed defence | 2 games |
| A22 | English opening | 2 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D96 | Gruenfeld, Russian variation | 2 games |
| E86 | King's Indian, Saemisch, orthodox, 7.Nge2 c6 | 2 games |
| D01 | Richter-Veresov attack | 1 games |
| B24 | Sicilian, closed | 1 games |


Netherlands