public class NewGameDefinitionViewModel
	{
		public string Name { get; set; }
		public string Description { get; set; }
		public string ReturnUrl { get; set; }
		public int BoardGameGeekObjectId { get; set; }
	}

	public class GameDefinition : SecuredEntityWithTechnicalKey<int>
    {
        public GameDefinition()
        {
            Active = true;
            DateCreated = DateTime.UtcNow;
        }

        public override int Id { get; set; }

        public override int GamingGroupId { get; set; }

        public int? BoardGameGeekObjectId { get; set; }

        [Required]
        public string Name { get; set; }
        public string Description { get; set; }
        public bool Active { get; set; }
        public DateTime DateCreated { get; set; }

        public virtual IList<PlayedGame> PlayedGames { get; set; }
        public virtual GamingGroup GamingGroup { get; set; }

        public int? ChampionId { get; set; }
        public int? PreviousChampionId { get; set; }

        public virtual Champion Champion { get; set; }
        public virtual Champion PreviousChampion { get; set; }
    }

  //this throws an AutoMapper.AutoMapperConfigurationException because of unmapped fields. Just want to ignore those
var gameDefinition = Mapper.Map<NewGameDefinitionViewModel, GameDefinition>(newGameDefinitionViewModel);