Rooms Katholieke Sport Vereniging Door Combinatie Groot also referred to as RKSV DCG, Door Combinatie Groot or simply DCG are a Dutch amateur football (soccer) club from Amsterdam.HistoryThe club was a result of a merger of three previous clubs on 11 September 1945, namely DOSS, Constantius and Gezellen Vier . Officially D.C.G. stands for Door Combinatie Groot''. In 1968 the club achieved its biggest success when their Sunday amateur team won the national amateur championship of the Netherlands.Honours Overall Sunday championship Champion in 1968 District Cup West I Winners in 1992